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
2.125 Inch \| 53.975 Millimeter x 2.5 Inch \| 63.5 Millimeter x 1 Inch \| 25.4 Millimeter KOYO B-3416 PDL449 Needle Non Thrust Roller Bearings	320 mm	540 mm	218 mm	5 mm
2.125 Inch \| 53.975 Millimeter x 2.5 Inch \| 63.5 Millimeter x 1 Inch \| 25.4 Millimeter KOYO B-3416 PDL125 Needle Non Thrust Roller Bearings	340 mm	580 mm	190 mm	5 mm
0.63 Inch \| 16 Millimeter x 0.787 Inch \| 20 Millimeter x 0.787 Inch \| 20 Millimeter INA KBK16X20X20 Needle Non Thrust Roller Bearings	105.000 mm	145.0000 mm	20.00 mm	1.00 mm
1.89 Inch \| 48 Millimeter x 2.087 Inch \| 53 Millimeter x 0.669 Inch \| 17 Millimeter INA K48X53X17 Needle Non Thrust Roller Bearings	280.000 mm	380.0000 mm	46.00 mm	2.00 mm
1.85 Inch \| 47 Millimeter x 2.165 Inch \| 55 Millimeter x 1.102 Inch \| 28 Millimeter INA K47X55X28 Needle Non Thrust Roller Bearings	8 in	Viton Single Lip	Split Cylindrical Expansion Type	Four-Bolt Plummer Block
1.85 Inch \| 47 Millimeter x 2.087 Inch \| 53 Millimeter x 0.984 Inch \| 25 Millimeter INA K47X53X25 Needle Non Thrust Roller Bearings	240 mm	440 mm	160 mm	4 mm
0.472 Inch \| 12 Millimeter x 0.63 Inch \| 16 Millimeter x 0.512 Inch \| 13 Millimeter INA KBK12X16X13 Needle Non Thrust Roller Bearings	360 mm	540 mm	134 mm	5 mm
0.472 Inch \| 12 Millimeter x 0.591 Inch \| 15 Millimeter x 0.689 Inch \| 17.5 Millimeter INA KBK12X15X17.5 Needle Non Thrust Roller Bearings	260 mm	400 mm	104 mm	4 mm
1 Inch \| 25.4 Millimeter x 1.25 Inch \| 31.75 Millimeter x 1 Inch \| 25.4 Millimeter INA SI162016 Needle Non Thrust Roller Bearings	17.000 mm	40.0000 mm	12.00 mm	0.64 mm
1.26 Inch \| 32 Millimeter x 1.654 Inch \| 42 Millimeter x 0.512 Inch \| 13 Millimeter INA RNAO32X42X13 Needle Non Thrust Roller Bearings	100.000 mm	215.0000 mm	82.60 mm	2.50 mm
22.225 x 1.125 Inch \| 28.575 Millimeter x 25.4 KOYO IR-141816 Needle Non Thrust Roller Bearings	280 mm	460 mm	146 mm	5 mm
0.875 Inch \| 22.225 Millimeter x 1.125 Inch \| 28.575 Millimeter x 1.015 Inch \| 25.781 Millimeter KOYO IR-1416-OH Needle Non Thrust Roller Bearings	UK212 - HS2312	Tapered bore	2.125 in	HS2312