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
1.5 Inch \| 38.1 Millimeter x 2.063 Inch \| 52.4 Millimeter x 1.25 Inch \| 31.75 Millimeter KOYO HJ-243320.2RS Needle Non Thrust Roller Bearings	440 mm	620 mm	200 mm	5 mm
1.125 Inch \| 28.575 Millimeter x 1.625 Inch \| 41.275 Millimeter x 1.25 Inch \| 31.75 Millimeter KOYO HJ-182620.2RS Needle Non Thrust Roller Bearings	180 mm	250 mm	52 mm	2 mm
1 Inch \| 25.4 Millimeter x 1.5 Inch \| 38.1 Millimeter x 1 Inch \| 25.4 Millimeter KOYO HJ-162416.2RS Needle Non Thrust Roller Bearings	190 mm	400 mm	132 mm	5 mm
2.5 Inch \| 63.5 Millimeter x 2.882 Inch \| 73.2 Millimeter x 0.75 Inch \| 19.05 Millimeter KOYO GNB-4012 Needle Non Thrust Roller Bearings	METRIC	129.00 Kg	NUP	N
3 Inch \| 76.2 Millimeter x 3.5 Inch \| 88.9 Millimeter x 1.5 Inch \| 38.1 Millimeter KOYO GNBH-4824 Needle Non Thrust Roller Bearings	45 mm	100 mm	36 mm	1.5 mm
0.625 Inch \| 15.875 Millimeter x 1.125 Inch \| 28.575 Millimeter x 1 Inch \| 25.4 Millimeter KOYO HJ-101816.2RS Needle Non Thrust Roller Bearings	1 in	1.5000 in	2.8125 in	2.0000 in
0.563 Inch \| 14.3 Millimeter x 0.75 Inch \| 19.05 Millimeter x 0.75 Inch \| 19.05 Millimeter KOYO GM-9121 Needle Non Thrust Roller Bearings	60.000 mm	95.0000 mm	18.00 mm	1.00 mm
1.75 Inch \| 44.45 Millimeter x 2.313 Inch \| 58.75 Millimeter x 1.25 Inch \| 31.75 Millimeter KOYO HJT-283720 Needle Non Thrust Roller Bearings	220 mm	340 mm	90 mm	3 mm
2.5 Inch \| 63.5 Millimeter x 3.25 Inch \| 82.55 Millimeter x 1.75 Inch \| 44.45 Millimeter KOYO HJT-405228 Needle Non Thrust Roller Bearings	420 mm	620 mm	150 mm	5 mm
2 Inch \| 50.8 Millimeter x 2.563 Inch \| 65.1 Millimeter x 1.25 Inch \| 31.75 Millimeter KOYO HJT-324120 Needle Non Thrust Roller Bearings	HH221400	HH221432	Imperial	Stamped Steel
1.625 Inch \| 41.275 Millimeter x 2.188 Inch \| 55.575 Millimeter x 1.25 Inch \| 31.75 Millimeter KOYO HJT-263520 Needle Non Thrust Roller Bearings	420 mm	700 mm	224 mm	6 mm
2.75 Inch \| 69.85 Millimeter x 3.5 Inch \| 88.9 Millimeter x 1.75 Inch \| 44.45 Millimeter KOYO HJRR-445628 Needle Non Thrust Roller Bearings	80 mm	140 mm	26 mm	2 mm