Needle Non Thrust Roller Bearings

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A needle roller and cage assembly includes needle rollers and a cage that guides and retains the rollers. ¡These assemblies use both the shaft and housing as raceway surfaces. Consequently, the cross-sectional thickness of the assembly is small, roughly equivalent to the diameter of the needle rollers. ¡Because this bearing type has no inner or outer rings, the installation is much easier. ¡These assemblies are available in both singlerow and double-row configurations. ¡As long as the tolerance limits of the shaft and housing are satisfied, the bearing radial internal clearance can be adjusted.

Needle roller bearings have relatively small diameter cylindrical rolling elements whose length is much larger than their diameter. Compared with other types of rolling bearings, needle roller bearings have a small cross-sectional height and significant load-bearing capacity and rigidity relative to their volume. Also, because the inertial forces acting on them is limited, they are an ideal choice for applications with oscillating motion. Needle roller bearings also work well in compact and lightweight machine designs and they serve as a ready replacement for sliding bearings.

Bearing Number	Bore Dia	Outer DIa	Width	Size
7.75 Inch \| 196.85 Millimeter x 9.625 Inch \| 244.475 Millimeter x 3 Inch \| 76.2 Millimeter RBC BEARINGS SJ 2426 Needle Non Thrust Roller Bearings	HM88500	HM88542	HM88512	Imperial
3 Inch \| 76.2 Millimeter x 3.5 Inch \| 88.9 Millimeter x 2 Inch \| 50.8 Millimeter RBC BEARINGS IR 9608 C Needle Non Thrust Roller Bearings	420 mm	620 mm	150 mm	5 mm
3.75 Inch \| 95.25 Millimeter x 4.25 Inch \| 107.95 Millimeter x 2 Inch \| 50.8 Millimeter RBC BEARINGS IR 9728 C1 Needle Non Thrust Roller Bearings	260 mm	440 mm	144 mm	4 mm
2.75 Inch \| 69.85 Millimeter x 3.25 Inch \| 82.55 Millimeter x 1.75 Inch \| 44.45 Millimeter RBC BEARINGS IR 9567 Needle Non Thrust Roller Bearings	260 mm	480 mm	130 mm	5 mm
4.25 Inch \| 107.95 Millimeter x 3.75 Inch \| 95.25 Millimeter x 2 Inch \| 50.8 Millimeter RBC BEARINGS IR 9648 C Needle Non Thrust Roller Bearings	30.000 mm	72.0000 mm	33.30 mm	1.00 mm
1.772 Inch \| 45 Millimeter x 2.362 Inch \| 60 Millimeter x 0.866 Inch \| 22 Millimeter KOYO NKS45A Needle Non Thrust Roller Bearings	1 3/16 in	1.0625 in	1.8750 in	3.2500 in
1.969 Inch \| 50 Millimeter x 2.559 Inch \| 65 Millimeter x 0.866 Inch \| 22 Millimeter KOYO NKS50A Needle Non Thrust Roller Bearings	320 mm	480 mm	160 mm	4 mm
1.457 Inch \| 37 Millimeter x 2.047 Inch \| 52 Millimeter x 0.866 Inch \| 22 Millimeter KOYO NKS37A Needle Non Thrust Roller Bearings	260 mm	360 mm	75 mm	2.1 mm
1.575 Inch \| 40 Millimeter x 2.559 Inch \| 65 Millimeter x 0.866 Inch \| 22 Millimeter KOYO NKJS40A Needle Non Thrust Roller Bearings	130 mm	210 mm	64 mm	2 mm
3.15 Inch \| 80 Millimeter x 4.331 Inch \| 110 Millimeter x 0.984 Inch \| 25 Millimeter KOYO NKJ80/25A Needle Non Thrust Roller Bearings	220 mm	370 mm	120 mm	4 mm
2.362 Inch \| 60 Millimeter x 3.543 Inch \| 90 Millimeter x 1.102 Inch \| 28 Millimeter KOYO NKJS60A Needle Non Thrust Roller Bearings	480 mm	650 mm	128 mm	5 mm
1.772 Inch \| 45 Millimeter x 2.835 Inch \| 72 Millimeter x 0.866 Inch \| 22 Millimeter KOYO NKJS45A Needle Non Thrust Roller Bearings	170 mm	260 mm	67 mm	2.1 mm