Needle Roller Bearings

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their selection is typically based on the amount of the load, whether an inner ring is required, the material that the rollers, ri
ngs, and cage are made from, rotational speed, operating temperature, internal clearance for therm
al expansion, and whether the bearing has seals or shields

Bearings Direct supplies a large variety of roller bearings and needle roller bearings. Roller be
arings are any cylindrical or spherical object that aids in the movement of an object greater i
n size than the bearing itself. A roller bearing is a weight distribution-oriented bearing.

Bearing Number	Bore Dia	Outer DIa	Width	Size
1 Inch \| 25.4 Millimeter x 1.5 Inch \| 38.1 Millimeter x 1 Inch \| 25.4 Millimeter McGill GR 16 Needle Roller Bearings	1 Inch \| 25.4 Millimeter x 1.5 Inch \| 38.1 Millimeter x 1 Inch \| 25.4 Millimeter	-	-	-
0.75 Inch \| 19.05 Millimeter x 1.25 Inch \| 31.75 Millimeter x 1 Inch \| 25.4 Millimeter McGill MR 12 RSS Needle Roller Bearings	45mm	Steel	Standard	85mm
1 Inch \| 25.4 Millimeter x 1.5 Inch \| 38.1 Millimeter x 1 Inch \| 25.4 Millimeter McGill MR 16 RSS Needle Roller Bearings	C3	50mm	3210atn9/c3-qbl	30.2mm
2.5 Inch \| 63.5 Millimeter x 3.75 Inch \| 95.25 Millimeter x 1.75 Inch \| 44.45 Millimeter McGill GR 48 RSS/MI 40 Needle Roller Bearings	8487900040.US	3.0000 in	0.3750 in	2.0000 in
6 Inch \| 152.4 Millimeter x 7.5 Inch \| 190.5 Millimeter x 2.5 Inch \| 63.5 Millimeter McGill GR 96 N Needle Roller Bearings	Cast Iron	Four-Bolt Square	Spherical Roller	2.9375 in
2.75 Inch \| 69.85 Millimeter x 3.5 Inch \| 88.9 Millimeter x 1.75 Inch \| 44.45 Millimeter McGill MR 44 RSS Needle Roller Bearings	Open	225 mm	C0	680000 N
3.25 Inch \| 82.55 Millimeter x 4.25 Inch \| 107.95 Millimeter x 1.75 Inch \| 44.45 Millimeter McGill GR 52 RSS Needle Roller Bearings	3.25 Inch \| 82.55 Millimeter x 4.25 Inch \| 107.95 Millimeter x 1.75 Inch \| 44.45 Millimeter	-	-	-
1.75 Inch \| 44.45 Millimeter x 2.313 Inch \| 58.75 Millimeter x 1.25 Inch \| 31.75 Millimeter McGill GR 28 S Needle Roller Bearings	637401495519	AISI 52100	1.5000 in	0.10 lb
4 Inch \| 101.6 Millimeter x 5 Inch \| 127 Millimeter x 2 Inch \| 50.8 Millimeter McGill GR 64 S Needle Roller Bearings	0.7500 in	1100 psi	-250 to 550 ºF	0.0149 lb
0.875 Inch \| 22.225 Millimeter x 1.375 Inch \| 34.925 Millimeter x 1 Inch \| 25.4 Millimeter McGill GR 14 RS Needle Roller Bearings	29602-6621	8487900040.US	4.5250 in	0.020 in
1 Inch \| 25.4 Millimeter x 1.5 Inch \| 38.1 Millimeter x 1 Inch \| 25.4 Millimeter McGill GR 16 RS Needle Roller Bearings	Labyrinth	5.7450 in	4500 fpm	3926904590.US