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
1.125 Inch \| 28.575 Millimeter x 1.375 Inch \| 34.925 Millimeter x 1.015 Inch \| 25.781 Millimeter IKO IRB1816 Needle Non Thrust Roller Bearings	300 mm	500 mm	200 mm	5 mm
1.125 Inch \| 28.575 Millimeter x 1.375 Inch \| 34.925 Millimeter x 1.265 Inch \| 32.131 Millimeter IKO IRB1820 Needle Non Thrust Roller Bearings	120 mm	215 mm	76.2 mm	2.1 mm
1.125 Inch \| 28.575 Millimeter x 1.375 Inch \| 34.925 Millimeter x 0.515 Inch \| 13.081 Millimeter IKO IRB188 Needle Non Thrust Roller Bearings	400 mm	650 mm	250 mm	6 mm
1.688 Inch \| 42.875 Millimeter x 2 Inch \| 50.8 Millimeter x 1.265 Inch \| 32.131 Millimeter IKO IRB2720 Needle Non Thrust Roller Bearings	210.000 mm	380.0000 mm	122.00 mm	3.00 mm
1.625 Inch \| 41.275 Millimeter x 2 Inch \| 50.8 Millimeter x 1.765 Inch \| 44.831 Millimeter IKO IRB2628 Needle Non Thrust Roller Bearings	360 mm	600 mm	192 mm	5 mm
1.625 Inch \| 41.275 Millimeter x 2 Inch \| 50.8 Millimeter x 1.015 Inch \| 25.781 Millimeter IKO IRB2616 Needle Non Thrust Roller Bearings	380 mm	560 mm	180 mm	5 mm
1.5 Inch \| 38.1 Millimeter x 1.875 Inch \| 47.625 Millimeter x 0.515 Inch \| 13.081 Millimeter IKO IRB248-1 Needle Non Thrust Roller Bearings	280 mm	420 mm	140 mm	4 mm
1.5 Inch \| 38.1 Millimeter x 1.75 Inch \| 44.45 Millimeter x 1.515 Inch \| 38.481 Millimeter IKO IRB2424 Needle Non Thrust Roller Bearings	190.000 mm	290.0000 mm	92.00 mm	2.00 mm
1.5 Inch \| 38.1 Millimeter x 1.875 Inch \| 47.625 Millimeter x 0.64 Inch \| 16.256 Millimeter IKO IRB2410-1 Needle Non Thrust Roller Bearings	380 mm	560 mm	135 mm	5 mm
1.5 Inch \| 38.1 Millimeter x 1.75 Inch \| 44.45 Millimeter x 1.015 Inch \| 25.781 Millimeter IKO IRB2416 Needle Non Thrust Roller Bearings	240 mm	360 mm	92 mm	3 mm
1.375 Inch \| 34.925 Millimeter x 1.625 Inch \| 41.275 Millimeter x 1.265 Inch \| 32.131 Millimeter IKO IRB2220 Needle Non Thrust Roller Bearings	320 mm	540 mm	176 mm	5 mm
1.438 Inch \| 36.525 Millimeter x 1.75 Inch \| 44.45 Millimeter x 1.015 Inch \| 25.781 Millimeter IKO IRB2316 Needle Non Thrust Roller Bearings	90 mm	140 mm	24 mm	25 º