Precision Ball Bearings

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Friction, or resistance to motion, is the result of the force acting between two surfaces as they slide against each other. Bearings reduce friction and provide smooth sliding contact between surfaces due to their material, shape or lubrication. Choosing the correct bearing for an application improves efficiency, extends bearing life at high speeds and avoids overheating. Bearings fall into two general categories: radial bearings that support rotating shafts and thrust bearings that support axial loads. Four classifications of bearing tolerances have been established, providing standards of precision for the correct application of ball bearings.

Bearing Number	Bore Dia	Outer DIa	Width	Size
3.15 Inch \| 80 Millimeter x 5.512 Inch \| 140 Millimeter x 2.047 Inch \| 52 Millimeter TIMKEN 2MM216WI DULFS934 Precision Ball Bearings	28 mm	55 mm	18mm	27.8 mm
3.15 Inch \| 80 Millimeter x 5.512 Inch \| 140 Millimeter x 2.047 Inch \| 52 Millimeter TIMKEN 2MM216WI DULFS637 Precision Ball Bearings	P0	0.3 mm	Oui/Yes	NTN
3.15 Inch \| 80 Millimeter x 5.512 Inch \| 140 Millimeter x 2.047 Inch \| 52 Millimeter TIMKEN 2MM216WI DUL Precision Ball Bearings	0.9 kg	60 mm	14 kN	FE205N-
3.15 Inch \| 80 Millimeter x 5.512 Inch \| 140 Millimeter x 1.024 Inch \| 26 Millimeter TIMKEN 2MM216WI Precision Ball Bearings	100 °C	274 mm	41 mm	21 mm
2.953 Inch \| 75 Millimeter x 5.118 Inch \| 130 Millimeter x 2.953 Inch \| 75 Millimeter TIMKEN 2MM215WI TUM Precision Ball Bearings	95 mm	2.2 kg	30 mm	8 Nm
2.953 Inch \| 75 Millimeter x 5.118 Inch \| 130 Millimeter x 1.969 Inch \| 50 Millimeter TIMKEN 2MM215WI DUM Precision Ball Bearings	3-3/4 in	Split Cylindrical Ho	31041 lbf	8.2 in
2.953 Inch \| 75 Millimeter x 5.118 Inch \| 130 Millimeter x 3.937 Inch \| 100 Millimeter TIMKEN 2MM215WI QUM Precision Ball Bearings	Square flange shape	Insert Bearing Unit	6	J7
2.953 Inch \| 75 Millimeter x 5.118 Inch \| 130 Millimeter x 0.984 Inch \| 25 Millimeter TIMKEN 2MM215WI SUL Precision Ball Bearings	11.500 in	650000 lbf	12.75 in	26.000 in
2.953 Inch \| 75 Millimeter x 5.118 Inch \| 130 Millimeter x 2.953 Inch \| 75 Millimeter TIMKEN 2MM215WI TUH Precision Ball Bearings	0.8 mm	-3.3 mm	0.0736	3280 lbf
2.953 Inch \| 75 Millimeter x 5.118 Inch \| 130 Millimeter x 3.937 Inch \| 100 Millimeter TIMKEN 2MM215WI QUL Precision Ball Bearings	Needle Roller	3300	Radial	No Outer Ring
3.346 Inch \| 85 Millimeter x 5.118 Inch \| 130 Millimeter x 0.866 Inch \| 22 Millimeter SKF 7017 CDGB/P4A Precision Ball Bearings	Deep Groove Ball Bea	T-Shaped	ZZ (Double Shield)	Available
2.756 Inch \| 70 Millimeter x 4.331 Inch \| 110 Millimeter x 0.787 Inch \| 20 Millimeter SKF S7014 CDGA/P4A Precision Ball Bearings	10.5625 in	Imperial	1.55	9.83 in