Face-to-Face Type F Thin Section Bearings

Face-to-Face Type F (NBKAA 3/16" x 3/16")

NBKAA SERIES 3/16" x 3/16"
NICE PART NUMBER	DIMENSION IN INCHES				CAPACITIES IN POUNDS / IN-LBS						Appx Weight LBS/KG
	BORE	OUTSIDE DIA	LAND DIA	LAND DIA	RADIAL		THRUST		MOMENT
	B	D	L₁	L₂	STATIC	DYN	STATIC	DYN	STATIC	DYN
NBKAA10FG0	1.000	1.375	1.140	1.235	550	310	970	450	165	95	0.050
	25.400	34.925	28.956	31.369	550	310	970	450	165	95	0.023
NBKAA15FG0	1.500	1.875	1.640	1.735	780	390	1,380	560	375	185	0.080
	38.100	47.625	41.656	44.069	780	390	1,380	560	375	185	0.036
NBKAA17FG0	1.750	2.125	1.890	1.985	860	400	1,520	600	490	235	0.090
	44.450	53.975	48.006	50.419	860	400	1,520	600	490	235	0.041

Face-to-Face Type F (NBKA 1/4" x 1/4")

NBKA SERIES 1/4" x 1/4"
NICE PART NUMBER	DIMENSION IN INCHES				CAPACITIES IN POUNDS / IN-LBS						Appx Weight LBS/KG
	BORE	OUTSIDE DIA	LAND DIA	LAND DIA	RADIAL		THRUST		MOMENT
	B	D	L₁	L₂	STATIC	DYN	STATIC	DYN	STATIC	DYN
NBKA020FR0	2.000	2.500	2.186	2.314	1,280	650	2,280	960	825	425	0.200
	50.800	63.500	55.524	58.776	1,280	650	2,280	960	825	425	0.091
NBKA025FR0	2.500	3.000	2.686	2.814	1,560	740	2,780	1,100	1,290	615	0.260
	63.500	76.200	68.224	71.476	1,560	740	2,780	1,100	1,290	615	0.118
NBKA030FR0	3.000	3.500	3.186	3.314	1,850	820	3,290	1,230	1,850	825	0.300
	76.200	88.900	80.924	84.176	1,850	820	3,290	1,230	1,850	825	0.136
NBKA035FR0	3.500	4.000	3.686	3.814	2,120	890	3,790	1,350	2,515	1,060	0.360
	88.900	101.600	93.624	96.876	2,120	890	3,790	1,350	2,515	1,060	0.163
NBKA040FR0	4.000	4.500	4.186	4.314	2,420	960	4,300	1,470	3,280	1,315	0.380
	101.600	114.300	106.324	109.576	2,420	960	4,300	1,470	3,280	1,315	0.172
NBKA042FR0	4.250	4.750	4.436	4.564	2,560	990	4,550	1,530	3,705	1,445	0.400
	107.950	120.650	112.674	115.926	2,560	990	4,550	1,530	3,705	1,445	0.181
NBKA045FR0	4.500	5.000	4.686	4.814	2,690	1,030	4,810	1,580	4,150	1,585	0.440
	114.300	127.000	119.024	122.276	2,690	1,030	4,810	1,580	4,150	1,585	0.200
NBKA047FR0	4.750	5.250	4.936	5.064	2,840	1,060	5,060	1,640	4,620	1,730	0.460
	120.650	133.350	125.374	128.626	2,840	1,060	5,060	1,640	4,620	1,730	0.209
NBKA050FR0	5.000	5.500	5.186	5.314	2,990	1,090	5,310	1,690	5,115	1,880	0.480
	127.000	139.700	131.724	134.976	2,990	1,090	5,310	1,690	5,115	1,880	0.218
NBKA055FR0	5.500	6.000	5.686	5.814	3,280	1,160	5,820	1,800	6,185	2,195	0.500
	139.700	152.400	144.424	147.676	3,280	1,160	5,820	1,800	6,185	2,195	0.227
NBKA060FR0	6.000	6.500	6.186	6.314	3,550	1,210	6,320	1,900	7,355	2,525	0.560
	152.400	165.100	157.124	160.376	3,550	1,210	6,320	1,900	7,355	2,525	0.254
NBKA065FR0	6.500	7.000	6.686	6.814	3,850	1,280	6,830	2,000	8,630	2,870	0.600
	165.100	177.800	169.824	173.076	3,850	1,280	6,830	2,000	8,630	2,870	0.272
NBKA070FR0	7.000	7.500	7.186	7.314	4,120	1,340	7,340	2,100	10,000	3,240	0.620
	177.800	190.500	182.524	185.776	4,120	1,340	7,340	2,100	10,000	3,240	0.281
NBKA075FR0	7.500	8.000	7.686	7.814	4,420	1,380	7,840	2,190	11,475	3,620	0.680
	190.500	203.200	195.224	198.476	4,420	1,380	7,840	2,190	11,475	3,620	0.308
NBKA080FR0	8.000	8.500	8.186	8.314	4,690	1,440	8,350	2,280	13,050	4,020	0.760
	203.200	215.900	207.924	211.176	4,690	1,440	8,350	2,280	13,050	4,020	0.345
NBKA090FR0	9.000	9.500	9.186	9.314	5,260	1,550	9,360	2,470	16,505	4,860	0.880
	228.600	241.300	233.324	236.576	5,260	1,550	9,360	2,470	16,505	4,860	0.399
NBKA100FR0	10.000	10.500	10.186	10.314	5,830	1,640	10,370	2,640	20,360	5,755	1.000
	254.000	266.700	258.724	261.976	5,830	1,640	10,370	2,640	20,360	5,755	0.454
NBKA110FR0	11.000	11.500	11.186	11.314	6,400	1,730	11,380	2,810	24,625	6,705	1.040
	279.400	292.100	284.124	287.376	6,400	1,730	11,380	2,810	24,625	6,705	0.472
NBKA120FR0	12.000	12.500	12.186	12.314	6,970	1,830	12,390	2,970	29,290	7,700	1.120
	304.800	317.500	309.524	312.776	6,970	1,830	12,390	2,970	29,290	7,700	0.508

Face-to-Face Type F (NBKB 5/16" x 5/16")

NBKB SERIES 5/16" x 5/16"
NICE PART NUMBER	DIMENSION IN INCHES				CAPACITIES IN POUNDS / IN-LBS						Appx Weight LBS/KG
	BORE	OUTSIDE DIA	LAND DIA	LAND DIA	RADIAL		THRUST		MOMENT
	B	D	L₁	L₂	STATIC	DYN	STATIC	DYN	STATIC	DYN
NBKB020FR0	2.000	2.625	2.231	2.393	1,770	970	3,150	1,380	1,095	600	0.320
	50.800	66.675	56.667	60.782	1,770	970	3,150	1,380	1,095	600	0.145
NBKB025FR0	2.500	3.125	2.731	2.893	2,170	1,090	3,860	1,590	1,730	885	0.380
	63.500	79.375	69.367	73.482	2,170	1,090	3,860	1,590	1,730	885	0.172
NBKB030FR0	3.000	3.625	3.231	3.393	2,510	1,190	4,470	1,750	2,495	1,195	0.480
	76.200	92.075	82.067	86.182	2,510	1,190	4,470	1,750	2,495	1,195	0.218
NBKB035FR0	3.500	4.125	3.731	3.893	2,900	1,300	5,180	1,930	3,400	1,530	0.580
	88.900	104.775	94.767	98.882	2,900	1,300	5,180	1,930	3,400	1,530	0.263
NBKB040FR0	4.000	4.625	4.231	4.393	3,310	1,400	5,890	2,100	4,440	1,895	0.600
	101.600	117.475	107.467	111.582	3,310	1,400	5,890	2,100	4,440	1,895	0.272
NBKB042FR0	4.250	4.875	4.481	4.643	3,490	1,440	6,200	2,170	5,010	2,090	0.620
	107.950	123.825	113.817	117.932	3,490	1,440	6,200	2,170	5,010	2,090	0.281
NBKB045FR0	4.500	5.125	4.731	4.893	3,650	1,480	6,500	2,240	5,615	2,290	0.660
	114.300	130.175	120.167	124.282	3,650	1,480	6,500	2,240	5,615	2,290	0.299
NBKB047FR0	4.750	5.375	4.981	5.143	3,880	1,540	6,910	2,340	6,250	2,495	0.680
	120.650	136.525	126.517	130.632	3,880	1,540	6,910	2,340	6,250	2,495	0.308
NBKB050FR0	5.000	5.625	5.231	5.393	4,060	1,580	7,210	2,410	6,925	2,710	0.760
	127.000	142.875	132.867	136.982	4,060	1,580	7,210	2,410	6,925	2,710	0.345
NBKB055FR0	5.500	6.125	5.731	5.893	4,450	1,680	7,920	2,560	8,370	3,150	0.820
	139.700	155.575	145.567	149.682	4,450	1,680	7,920	2,560	8,370	3,150	0.372
NBKB060FR0	6.000	6.625	6.231	6.393	4,850	1,770	8,630	2,710	9,950	3,620	0.880
	152.400	168.275	158.267	162.382	4,850	1,770	8,630	2,710	9,950	3,620	0.399
NBKB065FR0	6.500	7.125	6.731	6.893	5,200	1,830	9,240	2,840	11,665	4,115	0.940
	165.100	180.975	170.967	175.082	5,200	1,830	9,240	2,840	11,665	4,115	0.426
NBKB070FR0	7.000	7.625	7.231	7.393	5,600	1,920	9,960	2,980	13,520	4,630	1.000
	177.800	193.675	183.667	187.782	5,600	1,920	9,960	2,980	13,520	4,630	0.454
NBKB075FR0	7.500	8.125	7.731	7.893	6,010	2,000	10,670	3,120	15,510	5,170	1.060
	190.500	206.375	196.367	200.482	6,010	2,000	10,670	3,120	15,510	5,170	0.481
NBKB080FR0	8.000	8.625	8.231	8.393	6,400	2,080	11,380	3,260	17,635	5,735	1.140
	203.200	219.075	209.067	213.182	6,400	2,080	11,380	3,260	17,635	5,735	0.517
NBKB090FR0	9.000	9.625	9.231	9.393	7,150	2,220	12,700	3,510	22,290	6,925	1.320
	228.600	244.475	234.467	238.582	7,150	2,220	12,700	3,510	22,290	6,925	0.599
NBKB100FR0	10.000	10.625	10.231	10.393	7,940	2,370	14,120	3,760	27,495	8,205	1.460
	254.000	269.875	259.867	263.982	7,940	2,370	14,120	3,760	27,495	8,205	0.662
NBKB110FR0	11.000	11.625	11.231	11.393	8,690	2,500	15,440	4,000	33,245	9,560	1.500
	279.400	295.275	285.267	289.382	8,690	2,500	15,440	4,000	33,245	9,560	0.680
NBKB120FR0	12.000	12.625	12.231	12.393	9,490	2,640	16,860	4,240	39,540	10,995	1.660
	304.800	320.675	310.667	314.782	9,490	2,640	16,860	4,240	39,540	10,995	0.753
NBKB140FR0	14.000	14.625	14.231	14.393	10,980	2,860	19,500	4,670	53,775	14,070	2.100
	355.600	371.475	361.467	365.582	10,980	2,860	19,500	4,670	53,775	14,070	0.953
NBKB160FR0	16.000	16.625	16.231	16.393	12,520	3,090	22,250	5,100	70,200	17,400	2.400
	406.400	422.275	412.267	416.382	12,520	3,090	22,250	5,100	70,200	17,400	1.089
NBKB180FR0	18.000	18.625	18.231	18.393	14,070	3,310	24,990	5,510	88,825	20,950	2.700
	457.200	473.075	463.067	467.182	14,070	3,310	24,990	5,510	88,825	20,950	1.225
NBKB200FR0	20.000	20.625	20.231	20.393	15,610	3,510	27,730	5,900	109,655	24,680	3.000
	508.000	523.875	513.867	517.982	15,610	3,510	27,730	5,900	109,655	24,680	1.361

Face-to-Face Type F (NBKC 3/8" x 3/8")

NBKC SERIES 3/8" x 3/8"
NICE PART NUMBER	DIMENSION IN INCHES				CAPACITIES IN POUNDS / IN-LBS						Appx Weight LBS/KG
	BORE	OUTSIDE DIA	LAND DIA	LAND DIA	RADIAL		THRUST		MOMENT
	B	D	L₁	L₂	STATIC	DYN	STATIC	DYN	STATIC	DYN
NBKC040FR0	4.000	4.750	4.277	4.473	4,140	1,870	7,360	2,770	5,495	2,470	0.900
	101.600	120.650	108.636	113.614	4,140	1,870	7,360	2,770	5,495	2,470	0.408
NBKC042FR0	4.250	5.000	4.527	4.723	4,400	1,940	7,820	2,880	6,210	2,735	0.940
	107.950	127.000	114.986	119.964	4,400	1,940	7,820	2,880	6,210	2,735	0.426
NBKC045FR0	4.500	5.250	4.777	4.973	4,640	2,000	8,270	2,990	6,965	3,005	0.960
	114.300	133.350	121.336	126.314	4,640	2,000	8,270	2,990	6,965	3,005	0.435
NBKC047FR0	4.750	5.500	5.027	5.223	4,900	2,070	8,720	3,100	7,765	3,290	1.000
	120.650	139.700	127.686	132.664	4,900	2,070	8,720	3,100	7,765	3,290	0.454
NBKC050FR0	5.000	5.750	5.277	5.473	5,160	2,130	9,170	3,200	8,610	3,575	1.160
	127.000	146.050	134.036	139.014	5,160	2,130	9,170	3,200	8,610	3,575	0.526
NBKC055FR0	5.500	6.250	5.777	5.973	5,590	2,230	9,920	3,370	10,420	4,175	1.180
	139.700	158.750	146.736	151.714	5,590	2,230	9,920	3,370	10,420	4,175	0.535
NBKC060FR0	6.000	6.750	6.277	6.473	6,090	2,350	10,820	3,580	12,405	4,805	1.260
	152.400	171.450	159.436	164.414	6,090	2,350	10,820	3,580	12,405	4,805	0.572
NBKC065FR0	6.500	7.250	6.777	6.973	6,590	2,470	11,720	3,770	14,560	5,465	1.360
	165.100	184.150	172.136	177.114	6,590	2,470	11,720	3,770	14,560	5,465	0.617
NBKC070FR0	7.000	7.750	7.277	7.473	7,020	2,550	12,470	3,930	16,885	6,155	1.460
	177.800	196.850	184.836	189.814	7,020	2,550	12,470	3,930	16,885	6,155	0.662
NBKC075FR0	7.500	8.250	7.777	7.973	7,520	2,660	13,380	4,120	19,380	6,870	1.560
	190.500	209.550	197.536	202.514	7,520	2,660	13,380	4,120	19,380	6,870	0.708
NBKC080FR0	8.000	8.750	8.277	8.473	8,040	2,770	14,280	4,300	22,050	7,620	1.680
	203.200	222.250	210.236	215.214	8,040	2,770	14,280	4,300	22,050	7,620	0.762
NBKC090FR0	9.000	9.750	9.277	9.473	8,970	2,950	15,930	4,630	27,895	9,195	1.880
	228.600	247.650	235.636	240.614	8,970	2,950	15,930	4,630	27,895	9,195	0.853
NBKC100FR0	10.000	10.750	10.277	10.473	9,970	3,150	17,730	4,970	34,425	10,875	2.120
	254.000	273.050	261.036	266.014	9,970	3,150	17,730	4,970	34,425	10,875	0.962
NBKC110FR0	11.000	11.750	11.277	11.473	10,920	3,320	19,390	5,280	41,635	12,660	2.320
	279.400	298.450	286.436	291.414	10,920	3,320	19,390	5,280	41,635	12,660	1.052
NBKC120FR0	12.000	12.750	12.277	12.473	11,840	3,480	21,040	5,570	49,530	14,545	2.500
	304.800	323.850	311.836	316.814	11,840	3,480	21,040	5,570	49,530	14,545	1.134
NBKC140FR0	14.000	14.750	14.277	14.473	13,790	3,810	24,500	6,170	67,370	18,595	3.040
	355.600	374.650	362.636	367.614	13,790	3,810	24,500	6,170	67,370	18,595	1.379
NBKC160FR0	16.000	16.750	16.277	16.473	15,730	4,110	27,950	6,730	87,935	23,000	3.460
	406.400	425.450	413.436	418.414	15,730	4,110	27,950	6,730	87,935	23,000	1.569
NBKC180FR0	18.000	18.750	18.277	18.473	17,680	4,390	31,410	7,280	111,230	27,730	3.880
	457.200	476.250	464.236	469.214	17,680	4,390	31,410	7,280	111,230	27,730	1.760
NBKC200FR0	20.000	20.750	20.277	20.473	19,540	4,650	34,720	7,780	137,255	32,745	4.320
	508.000	527.050	515.036	520.014	19,540	4,650	34,720	7,780	137,255	32,745	1.960
NBKC250FR0	25.000	25.750	25.277	25.473	24,210	5,250	43,280	9,010	214,240	46,360	5.380
	635.000	654.050	642.036	647.014	24,210	5,250	43,280	9,010	214,240	46,360	2.440
NBKC 300FR0	30.000	30.750	30.277	30.473	29,180	5,780	51,850	10,160	308,260	61,115	6.420
	762.000	781.050	769.036	774.014	29,180	5,780	51,850	10,160	308,260	61,115	2.912

Face-to-Face Type F (NBKD 1/2" x 1/2")

NBKD SERIES 1/2" x 1/2"
NICE PART NUMBER	DIMENSION IN INCHES				CAPACITIES IN POUNDS / IN-LBS						Appx Weight LBS/KG
	BORE	OUTSIDE DIA	LAND DIA	LAND DIA	RADIAL		THRUST		MOMENT
	B	D	L₁	L₂	STATIC	DYN	STATIC	DYN	STATIC	DYN
NBKD040FR0	4.000	5.000	4.370	4.630	5,760	2,950	10,260	4,260	7,455	3,795	1.560
	101.600	127.000	110.998	117.602	5,760	2,950	10,260	4,260	7,455	3,795	0.708
NBKD042FR0	4.250	5.250	4.620	4.880	6,090	3,040	10,830	4,420	8,415	4,200	1.660
	107.950	133.350	117.348	123.952	6,090	3,040	10,830	4,420	8,415	4,200	0.753
NBKD045FR0	4.500	5.500	4.870	5.130	6,410	3,130	11,400	4,570	9,425	4,610	1.760
	114.300	139.700	123.698	130.302	6,410	3,130	11,400	4,570	9,425	4,610	0.798
NBKD047FR0	4.750	5.750	5.120	5.380	6,740	3,220	11,970	4,720	10,495	5,035	1.880
	120.650	146.050	130.048	136.652	6,740	3,220	11,970	4,720	10,495	5,035	0.853
NBKD050FR0	5.000	6.000	5.370	5.630	7,050	3,310	12,540	4,870	11,620	5,475	2.000
	127.000	152.400	136.398	143.002	7,050	3,310	12,540	4,870	11,620	5,475	0.907
NBKD055FR0	5.500	6.500	5.870	6.130	7,700	3,480	13,680	5,160	14,045	6,380	2.120
	139.700	165.100	149.098	155.702	7,700	3,480	13,680	5,160	14,045	6,380	0.962
NBKD060FR0	6.000	7.000	6.370	6.630	8,330	3,640	14,820	5,440	16,700	7,335	2.320
	152.400	177.800	161.798	168.402	8,330	3,640	14,820	5,440	16,700	7,335	1.052
NBKD065FR0	6.500	7.500	6.870	7.130	8,980	3,810	15,960	5,720	19,580	8,335	2.440
	165.100	190.500	174.498	181.102	8,980	3,810	15,960	5,720	19,580	8,335	1.107
NBKD070FR0	7.000	8.000	7.370	7.630	9,620	3,960	17,100	5,990	22,690	9,375	2.620
	177.800	203.200	187.198	193.802	9,620	3,960	17,100	5,990	22,690	9,375	1.188
NBKD075FR0	7.500	8.500	7.870	8.130	10,270	4,110	18,240	6,250	26,025	10,460	2.820
	190.500	215.900	199.898	206.502	10,270	4,110	18,240	6,250	26,025	10,460	1.279
NBKD080FR0	8.000	9.000	8.370	8.630	10,900	4,260	19,380	6,510	29,590	11,585	3.060
	203.200	228.600	212.598	219.202	10,900	4,260	19,380	6,510	29,590	11,585	1.388
NBKD090FR0	9.000	10.000	9.370	9.630	12,180	4,550	21,660	7,010	37,400	13,965	3.440
	228.600	254.000	237.998	244.602	12,180	4,550	21,660	7,010	37,400	13,965	1.560
NBKD100FR0	10.000	11.000	10.370	10.630	13,470	4,820	23,940	7,500	46,125	16,505	3.760
	254.000	279.400	263.398	270.002	13,470	4,820	23,940	7,500	46,125	16,505	1.706
NBKD110FR0	11.000	12.000	11.370	11.630	14,750	5,090	26,220	7,960	55,765	19,205	4.120
	279.400	304.800	288.798	295.402	14,750	5,090	26,220	7,960	55,765	19,205	1.869
NBKD120FR0	12.000	13.000	12.370	12.630	16,030	5,340	28,500	8,420	66,315	22,050	4.500
	304.800	330.200	314.198	320.802	16,030	5,340	28,500	8,420	66,315	22,050	2.041
NBKD140FR0	14.000	15.000	14.370	14.630	18,600	5,810	33,060	9,290	90,150	28,170	5.460
	355.600	381.000	364.998	371.602	18,600	5,810	33,060	9,290	90,150	28,170	2.477
NBKD160FR0	16.000	17.000	16.370	16.630	21,170	6,260	37,620	10,130	117,630	34,815	6.200
	406.400	431.800	415.798	422.402	21,170	6,260	37,620	10,130	117,630	34,815	2.812
NBKD180FR0	18.000	19.000	18.370	18.630	23,740	6,680	42,180	10,930	148,760	41,950	6.960
	457.200	482.600	466.598	473.202	23,740	6,680	42,180	10,930	148,760	41,950	3.157
NBKD200FR0	20.000	21.000	20.370	20.630	26,300	7,070	46,740	11,710	183,540	49,520	7.700
	508.000	533.400	517.398	524.002	26,300	7,070	46,740	11,710	183,540	49,520	3.493
NBKD250FR0	25.000	26.000	25.370	25.630	27,590	7,260	49,020	12,085	286,445	70,060	9.580
	635.000	660.400	644.398	651.002	27,590	7,260	49,020	12,085	286,445	70,060	4.345
NBKD300FR0	30.000	31.000	30.370	30.630	39,140	8,760	69,540	15,260	412,150	92,340	11.460
	762.000	787.400	771.398	778.002	39,140	8,760	69,540	15,260	412,150	92,340	5.198

Face-to-Face Type F (NBKF 3/4" x 3/4")

NBKF SERIES 3/4" x 3/4"
NICE PART NUMBER	DIMENSION IN INCHES				CAPACITIES IN POUNDS / IN-LBS						Appx Weight LBS/KG
	BORE	OUTSIDE DIA	LAND DIA	LAND DIA	RADIAL		THRUST		MOMENT
	B	D	L₁	L₂	STATIC	DYN	STATIC	DYN	STATIC	DYN
NBKF040FR0	4.000	5.500	4.555	4.945	10,310	6,060	18,340	8,420	17,880	11,660	3.800
	101.600	139.700	115.697	125.603	10,310	6,060	18,340	8,420	17,880	11,660	1.724
NBKF042FR0	4.250	5.750	4.805	5.195	10,720	6,180	19,050	8,630	20,215	12,955	4.000
	107.950	146.050	122.047	131.953	10,720	6,180	19,050	8,630	20,215	12,955	1.814
NBKF045FR0	4.500	6.000	5.060	5.445	11,520	6,440	20,460	9,050	22,680	14,285	4.200
	114.300	152.400	128.524	138.303	11,520	6,440	20,460	9,050	22,680	14,285	1.905
NBKF047FR0	4.750	6.250	5.305	5.695	11,910	6,550	21,160	9,260	25,285	15,645	4.400
	120.650	158.750	134.747	144.653	11,910	6,550	21,160	9,260	25,285	15,645	1.996
NBKF050FR0	5.000	6.500	5.555	5.945	12,300	6,660	21,870	9,460	28,025	17,040	4.600
	127.000	165.100	141.097	151.003	12,300	6,660	21,870	9,460	28,025	17,040	2.087
NBKF055FR0	5.500	7.000	6.055	6.445	13,500	7,020	23,980	10,060	33,915	19,920	5.000
	139.700	177.800	153.797	163.703	13,500	7,020	23,980	10,060	33,915	19,920	2.268
NBKF060FR0	6.000	7.500	6.555	6.945	14,690	7,360	26,100	10,650	40,355	22,920	5.400
	152.400	190.500	166.497	176.403	14,690	7,360	26,100	10,650	40,355	22,920	2.449
NBKF065FR0	6.500	8.000	7.055	7.445	15,870	7,690	28,220	11,220	47,345	26,050	5.800
	165.100	203.200	179.197	189.103	15,870	7,690	28,220	11,220	47,345	26,050	2.631
NBKF070FR0	7.000	8.500	7.555	7.945	17,070	8,010	30,330	11,770	54,875	29,300	6.400
	177.800	215.900	191.897	201.803	17,070	8,010	30,330	11,770	54,875	29,300	2.903
NBKF075FR0	7.500	9.000	8.055	8.445	17,870	8,200	31,740	12,130	62,960	32,670	6.800
	190.500	228.600	204.597	214.503	17,870	8,200	31,740	12,130	62,960	32,670	3.084
NBKF080FR0	8.000	9.500	8.555	8.945	19,060	8,510	33,860	12,670	71,585	36,155	7.000
	203.200	241.300	217.297	227.203	19,060	8,510	33,860	12,670	71,585	36,155	3.175
NBKF090FR0	9.000	10.500	9.555	9.945	21,430	9,110	38,090	13,700	90,485	43,480	7.800
	228.600	266.700	242.697	252.603	21,430	9,110	38,090	13,700	90,485	43,480	3.538
NBKF100FR0	10.000	11.500	10.555	10.945	23,430	9,570	41,620	14,530	111,570	51,260	8.600
	254.000	292.100	268.097	278.003	23,430	9,570	41,620	14,530	111,570	51,260	3.901
NBKF110FR0	11.000	12.500	11.555	11.945	25,800	10,110	45,850	15,500	134,845	59,480	9.600
	279.400	317.500	293.497	303.403	25,800	10,110	45,850	15,500	134,845	59,480	4.355
NBKF120FR0	12.000	13.500	12.555	12.945	27,780	10,530	49,380	16,290	160,310	68,130	10.400
	304.800	342.900	318.897	328.803	27,780	10,530	49,380	16,290	160,310	68,130	4.717
NBKF140FR0	14.000	15.500	14.555	14.945	32,150	11,440	57,140	17,950	217,805	86,660	12.000
	355.600	393.700	369.697	379.603	32,150	11,440	57,140	17,950	217,805	86,660	5.443
NBKF160FR0	16.000	17.500	16.555	16.945	36,530	12,290	64,890	19,540	284,055	106,755	14.200
	406.400	444.500	420.497	430.403	36,530	12,290	64,890	19,540	284,055	106,755	6.441
NBKF180FR0	18.000	19.500	18.555	18.945	41,290	13,170	73,360	21,210	359,065	128,305	15.800
	457.200	495.300	471.297	481.203	41,290	13,170	73,360	21,210	359,065	128,305	7.167
NBKF200FR0	20.000	21.500	20.555	20.945	45,660	13,910	81,120	22,680	442,825	151,210	17.800
	508.000	546.100	522.097	532.003	45,660	13,910	81,120	22,680	442,825	151,210	8.074
NBKF250FR0	25.000	26.500	25.555	25.945	56,380	15,570	100,200	26,100	690,530	213,725	21.800
	635.000	673.100	649.097	659.003	56,380	15,570	100,200	26,100	690,530	213,725	9.888
NBKF300FR0	30.000	31.500	30.555	30.945	67,500	17,110	119,900	29,430	992,955	282,455	26.000
	762.000	800.100	776.097	786.003	67,500	17,110	119,900	29,430	992,955	282,455	11.794
NBKF350FR0	35.000	36.500	35.555	35.945	78,610	18,490	139,700	32,580	1,350,100	355,795	30.200
	889.000	927.100	903.097	913.003	78,610	18,490	139,700	32,580	1,350,100	355,795	13.699

Face-to-Face Type F (NBKG 1" x 1")

NBKG SERIES 1" x 1"
NICE PART NUMBER	DIMENSION IN INCHES				CAPACITIES IN POUNDS / IN-LBS						Appx Weight LBS/KG
	BORE	OUTSIDE DIA	LAND DIA	LAND DIA	RADIAL		THRUST		MOMENT
	B	D	L₁	L₂	STATIC	DYN	STATIC	DYN	STATIC	DYN
NBKG040FR0	4.000	6.000	4.742	5.258	15,400	10,200	27,360	13,630	17,880	10,705	7.200
	101.600	152.400	120.447	133.553	15,400	10,200	27,360	13,630	17,880	10,705	3.266
NBKG042FR0	4.250	6.250	4.992	5.508	16,160	10,460	28,730	14,090	20,210	12,275	7.600
	107.950	158.750	126.797	139.903	16,160	10,460	28,730	14,090	20,210	12,275	3.447
NBKG045FR0	4.500	6.500	5.242	5.758	16,940	10,660	30,100	14,530	22,680	13,865	8.000
	114.300	165.100	133.147	146.253	16,940	10,660	30,100	14,530	22,680	13,865	3.629
NBKG047FR0	4.750	6.750	5.492	6.008	17,710	10,960	31,460	14,970	25,285	15,475	8.200
	120.650	171.450	139.497	152.603	17,710	10,960	31,460	14,970	25,285	15,475	3.720
NBKG050FR0	5.000	7.000	5.742	6.258	18,470	11,200	32,830	15,400	28,025	17,100	8.600
	127.000	177.800	145.847	158.953	18,470	11,200	32,830	15,400	28,025	17,100	3.901
NBKG055FR0	5.500	7.500	6.242	6.758	20,020	11,680	35,570	16,240	33,915	20,420	9.400
	139.700	190.500	158.547	171.653	20,020	11,680	35,570	16,240	33,915	20,420	4.264
NBKG060FR0	6.000	8.000	6.742	7.258	21,560	12,150	38,300	17,060	40,355	23,815	10.200
	152.400	203.200	171.247	184.353	21,560	12,150	38,300	17,060	40,355	23,815	4.627
NBKG065FR0	6.500	8.500	7.242	7.758	23,100	12,610	41,040	17,870	47,345	27,290	10.800
	165.100	215.900	183.947	197.053	23,100	12,610	41,040	17,870	47,345	27,290	4.899
NBKG070FR0	7.000	9.000	7.742	8.258	24,630	13,050	43,780	18,650	54,875	30,845	11.600
	177.800	228.600	196.647	209.753	24,630	13,050	43,780	18,650	54,875	30,845	5.262
NBKG075FR0	7.500	9.500	8.242	8.758	26,170	13,490	46,510	19,420	62,960	34,480	12.200
	190.500	241.300	209.347	222.453	26,170	13,490	46,510	19,420	62,960	34,480	5.534
NBKG080FR0	8.000	10.000	8.742	9.258	27,720	13,910	49,250	20,180	71,585	38,190	13.000
	203.200	254.000	222.047	235.153	27,720	13,910	49,250	20,180	71,585	38,190	5.897
NBKG090FR0	9.000	11.000	9.742	10.258	30,810	14,740	54,720	21,640	90,485	45,855	14.400
	228.600	279.400	247.447	260.553	30,810	14,740	54,720	21,640	90,485	45,855	6.532
NBKG100FR0	10.000	12.000	10.742	11.258	33,880	15,530	60,190	23,060	111,570	53,840	15.800
	254.000	304.800	272.847	285.953	33,880	15,530	60,190	23,060	111,570	53,840	7.167
NBKG110FR0	11.000	13.000	11.742	12.258	36,960	16,290	65,660	24,440	134,845	62,140	17.200
	279.400	330.200	298.247	311.353	36,960	16,290	65,660	24,440	134,845	62,140	7.802
NBKG120FR0	12.000	14.000	12.742	13.258	40,040	17,030	71,140	25,780	160,310	70,755	18.600
	304.800	355.600	323.647	336.753	40,040	17,030	71,140	25,780	160,310	70,755	8.437
NBKG140FR0	14.000	16.000	14.742	15.258	46,190	18,420	82,080	28,360	217,805	88,945	21.600
	355.600	406.400	374.447	387.553	46,190	18,420	82,080	28,360	217,805	88,945	9.798
NBKG160FR0	16.000	18.000	16.742	17.258	52,350	19,720	93,020	30,830	284,055	108,400	24.600
	406.400	457.200	425.247	438.353	52,350	19,720	93,020	30,830	284,055	108,400	11.159
NBKG180FR0	18.000	20.000	18.742	19.258	58,530	20,960	104,000	33,200	359,065	129,130	27.400
	457.200	508.000	476.047	489.153	58,530	20,960	104,000	33,200	359,065	129,130	12.429
NBKG200FR0	20.000	22.000	20.742	21.258	64,690	22,110	114,900	35,490	442,825	151,130	31.600
	508.000	558.800	526.847	539.953	64,690	22,110	114,900	35,490	442,825	151,130	14.334
NBKG250FR0	25.000	27.000	25.742	26.258	80,080	24,760	142,300	40,920	690,530	211,685	39.000
	635.000	685.800	653.847	666.953	80,080	24,760	142,300	40,920	690,530	211,685	17.690
NBKG300FR0	30.000	32.000	30.742	31.258	95,480	27,110	169,600	46,020	992,955	280,175	46.600
	762.000	812.800	780.847	793.953	95,480	27,110	169,600	46,020	992,955	280,175	21.138
NBKG350FR0	35.000	37.000	35.742	36.258	110,890	29,210	197,000	50,840	1,350,100	356,605	54.200
	889.000	939.800	907.847	920.953	110,890	29,210	197,000	50,840	1,350,100	356,605	24.585

Duplex of Face-to-Face Thin Section Bearing Overview

Thin section bearings: These are bearings with a very thin cross-section relative to their bore diameter. They're designed to save space and weight, making them common in applications like:

Robotics

Medical equipment

Aerospace

Precision instruments

Duplex Mounting (Face-to-Face): Duplexing means using two bearings together to provide increased load carrying capacity, rigidity, or improved performance. Face-to-face (also called "DF") mounting specifically refers to the outer rings being in contact and the inner rings having a gap.

Key Characteristics and Advantages of Face-to-Face (DF) Duplex Mounting of Thin Section Bearings

Increased Load Capacity: The load is shared between the two bearings, increasing the overall capacity compared to a single bearing. This is especially important for moment loads (loads that try to tilt the shaft).

Improved Rigidity: The dual bearings resist tilting and deflection, leading to a stiffer system. This is critical for precision applications.

Accommodation of Misalignment: Face-to-face mounting can tolerate some slight misalignment between the shaft and the housing, more so than back-to-back.

Relatively Less Sensitive to Inner Ring Spacing: The performance is less affected by small variations in the inner ring spacing compared to back-to-back mounting.

Combined Radial and Thrust Loads: Can handle both radial loads (perpendicular to the shaft) and thrust loads (parallel to the shaft) in both directions.

When to use a Face-to-Face (DF) Duplex Configuration

High Moment Loads: When the bearing needs to resist significant tilting forces.

Applications Requiring Stiffness: Where precise positioning and minimal deflection are critical.

When slight Misalignment is Possible: In designs where perfect alignment cannot be guaranteed.

Balanced Thrust Load Requirements: Applications with thrust loads in both directions.

In summary, a duplex of face-to-face thin section bearings provides a compact and rigid bearing arrangement that can handle high moment loads, radial loads, and thrust loads in both directions. It's a good choice when space and weight are concerns, and high precision is required.