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
2 Inch \| 50.8 Millimeter x 2.563 Inch \| 65.1 Millimeter x 1.25 Inch \| 31.75 Millimeter KOYO HJR-324120 Needle Non Thrust Roller Bearings	50.000 mm	90.0000 mm	30.20 mm	1.00 mm
1.625 Inch \| 41.275 Millimeter x 2.188 Inch \| 55.575 Millimeter x 1.25 Inch \| 31.75 Millimeter KOYO HJRR-263520 Needle Non Thrust Roller Bearings	10.5 in	Felt Type	Split Cylindrical Expansion Type	Eight-Bolt Plummer Block
3 Inch \| 76.2 Millimeter x 3.75 Inch \| 95.25 Millimeter x 1.5 Inch \| 38.1 Millimeter KOYO HJM-486024 Needle Non Thrust Roller Bearings	180 mm	300 mm	118 mm	3 mm
2.5 Inch \| 63.5 Millimeter x 3.25 Inch \| 82.55 Millimeter x 1.75 Inch \| 44.45 Millimeter KOYO HJRR-405228 Needle Non Thrust Roller Bearings	750 mm	1360 mm	475 mm	15 mm
2.25 Inch \| 57.15 Millimeter x 3 Inch \| 76.2 Millimeter x 1.75 Inch \| 44.45 Millimeter KOYO HJR-364828 Needle Non Thrust Roller Bearings	280 mm	500 mm	176 mm	5 mm
2.75 Inch \| 69.85 Millimeter x 3.5 Inch \| 88.9 Millimeter x 1.75 Inch \| 44.45 Millimeter KOYO HJR-445628 Needle Non Thrust Roller Bearings	460 mm	760 mm	240 mm	7.5 mm
2 Inch \| 50.8 Millimeter x 2.563 Inch \| 65.1 Millimeter x 1.25 Inch \| 31.75 Millimeter KOYO HJRR-324120 Needle Non Thrust Roller Bearings	440 mm	650 mm	157 mm	6 mm
2.25 Inch \| 57.15 Millimeter x 3 Inch \| 76.2 Millimeter x 1.75 Inch \| 44.45 Millimeter KOYO HJRR-364828 Needle Non Thrust Roller Bearings	300 mm	460 mm	118 mm	4 mm
1.625 Inch \| 41.275 Millimeter x 2.188 Inch \| 55.575 Millimeter x 1.25 Inch \| 31.75 Millimeter KOYO HJR-263520 Needle Non Thrust Roller Bearings	3400	3479	3423D	Imperial
1.75 Inch \| 44.45 Millimeter x 2.313 Inch \| 58.75 Millimeter x 1.25 Inch \| 31.75 Millimeter KOYO HJR-283720 Needle Non Thrust Roller Bearings	C0 (Normal)	10 mm	One Shield	0.02 Kg
1.75 Inch \| 44.45 Millimeter x 2.313 Inch \| 58.75 Millimeter x 1.25 Inch \| 31.75 Millimeter KOYO HJRR-283720 Needle Non Thrust Roller Bearings	100 mm	180 mm	60.32 mm	2.1 mm
0.354 Inch \| 9 Millimeter x 0.472 Inch \| 12 Millimeter x 0.472 Inch \| 12 Millimeter INA IR9X12X12 Needle Non Thrust Roller Bearings	300 mm	500 mm	160 mm	5 mm