SILVERSTONE MACHINERY INDUSTRY CO.,LTD.

IN'S Linear Ball Bearing

Flanged Slide Bearing

	SMF			SMK

	SMT			KBF

	KBK			SWF

	SWK			SMF-W

	SMK-W			KBF-W

	KBK-W			SMT-W

	SMFC/SMKC

	KBFC/KBKC

	SWFC/SWKC

	SMF-E/SMK-E

	SMF-W-E/SMK-W-E

	SMTC			SMT-E

	SMT-W-E

Super Linear Ball Bearing

IN'S Linear Ball Bearing System Case Unit

IN'S Linear Ball Bearing System Support Rail Unit

IN'S Linear Ball Bearing System Shaft Support

IN'S Linear Ball Bearing System SM Shaft

IN'S Linear Ball Bearing System Interchangeability list

IN'S Linear Ball Bearing System Tolerances for inside diameter of housing

Nominal Shaft Diameter (Inch/mm)	Nominal Part No.		Major Dimensions and Tolerance (mm)										Eccen tricity μm	Squar eness μm	Basic Load Rating Dynamic Static CN CoN	Nominal shaft diameter Inch/μm
	Steel Retainer Resin Retainer	Ball Circuit Weight g	Dr Tolerance	D Tolerance	L Tolerance	Flange
	Steel Retainer Resin Retainer	Ball Circuit Weight g	Dr Tolerance	D Tolerance	L Tolerance	Df	k	t	DP	X	Y	Z
1/4 6.350	SWK 4 SWK 4G	4 32	.2500 6.350	.5000 0 12.700 -.00050 0 -13	.7500 19.050	1.2500 31.750	1.0000 25.400	0.219 5.556	.8750 22.225	.1560 3.969	.2500 6.350	.1410 3.572	.0005 12	.0005 12	206 265	1/4 6.350
3/8 9.525	SWK 6 SWK 6G	4 47	.3750 0 9.525 -0.004	.6250 15.875 0	.8750 22.225	1.5000 38.100	1.2500 31.750	.2500 6.350	1.0620 26.988	.1875 4.763	.2970 7.541	.1720 4.366	.0005 12	.0005 12	225 314	3/8 9.525
1/2 12.700	SWK 8 SWK 8G	4 88	.5000 0 12.700 -0.009	.8750 -.00065 22.225 0	1.2500 31.750	1.7500 44.450	1.3750 34.925	.2500 6.350	1.312 33.338	.1875 4.763	.2970 7.541	.1720 4.366	.0005 12	.0005 12	510 784	1/2 12.700
5/8 15.875	SWK 10 SWK 10G	4 140	.6250 15.875	1.1250 -0.016 28.575	1.5000 38.100	2.0000 50.800	1.5000 38.100	.2500 6.350	1.5620 39.688	.1875 4.763	.2970 7.541	.1720 4.366	.0005 12	.0005 12	774 1,180	5/8 15.875
3/4 19.050	SWK 12 SWK 12G	4 190	.7500 0 19.050 -.00040	1.2500 0 31.750 -.00075	1.6250 41.275 ±.012	2.1875 55.563	1.6875 42.863	.3125 7.938	1.7180 43.660	.2187 5.556	.3440 8.731	.2030 5.159	.0006 15	.0006 15	862 1,370	3/4 19.050
1 25.400	SWK 16 SWK 16G	5 325	1.0000 0 25.400 -0.01	1.5625 0 39.688 -0.019	2.2500 57.150 ±0.3	2.5000 63.500	2.0000 50.800	.3125 7.938	2.0310 51.594	.2187 5.556	.3440 8.731	.2030 5.159	.0006 15	.0006 15	980 1,570	1 25.400
1-1/4 31.750	SWK 20 SWK 20G	5 665	1.2500 31.750 0	2.0000 0 50.800 -.0009	2.6250 66.675	3.1250 79.375	2.5000 63.500	.3750 9.525	2.5625 65.088	.2812 7.144	.4060 10.319	.2656 6.747	.0008 20	.0008 20	1,570 2,740	1-1/4 31.750
1-1/2 38.100	SWK 24 SWK 24G	6 1,100	1.5000 -.00050 38.100 0	2.3750 0 60.325 -0.022	3.0000 76.200	3.7500 95.250	3.0000 76.200	.5000 12.700	3.0625 77.788	.3440 8.731	.5000 12.700	.3280 8.334	.0010 25	.0010 25	2,180 4,020	1-1/2 38.100
2 50.800	SWK 32 SWK 32G	6 1,760	2.0000 -0.012 50.800	3.0000 76.200 0	4.0000 101.600	4.3750 111.125	3.5000 88.900	.5000 12.700	3.6875 93.662	.3440 8.731	.5000 12.700	.3280 8.334	.0010 25	.0010 25	3,820 7,940	2 50.800
2-1/2 63.500	SWK 40 SWK 40G	6 3,570	2.5000 0 63.500 -.00060	3.7500 -.00100 95.250 0	5.0000 127.000	5.3750 136.525	4.3750 111.125	.7500 19.050	4.5625 115.887	.4062 10.319	.6250 15.875	.3750 9.525	.0010 25	.0010 25	4,700 10,000	2-1/2 63.500
3 76.200	SWK 48 SWK 48G	6 5,600	3.0000 0 76.200 -0.015	4.5000 -0.025 114.300	6.0000 152.400	6.1250 155.575	5.0000 127.000	.7500 19.050	5.3125 134.937	.4062 10.319	.6250 15.875	.3750 9.525	.0010 25	.0010 25	7,350 16,000	3 76.200
4 101.600	SWK 64 SWK 64G	6 12,000	4.000 0 101.600 -.00080 0 -0.020	6.0000 0 152.400 -.00115 0 -0.029	8.0000 203.200	8.0000 203.200	6.7500 171.450	.8750 22.225	7.0000 177.800	.5000 12.700	.7125 18.097	.5000 12.700	.0012 30	.0012 30	14,100 34,800	4 101.600

SI Unit 1N＝0.225 lbs
1kg=2.205 lbs