Cylindrical Roller Bearings

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Cylindrical roller bearings have high radial-load capacity and moderate thrust loads. They contain rollers which are cylindrically-shaped, but are not true cylinders. Instead, these rollers are crowned or end-relieved to reduce stress concentrations.Cylindrical roller bearings are also available in sealed or split designs. In sealed bearings, the rollers are protected from contaminants, water and dust, while providing lubricant retention and contaminant exclusion. This provides lower friction and longer service life.

 

The outside diameter of cylindrical roller bearings includes the housing (if any), but excludes the flange. Other important specifications for cylindrical roller bearings include overall width, rated speed (oil), static axial load, static radial load, dynamic axial load, and dynamic radial load.

 

Bearing Number Bore Dia Outer DIa Width Size
4.724 Inch | 120 Millimeter x 8.465 Inch | 215 Millimeter x 1.575 Inch | 40 Millimeter SKF NJ 224 ECM/C3 Cylindrical Roller Bearings 679 9x14x3 9 14
5.118 Inch | 130 Millimeter x 11.024 Inch | 280 Millimeter x 2.283 Inch | 58 Millimeter TIMKEN NU326EMA Cylindrical Roller Bearings 6321 105x225x49 105 225
4.724 Inch | 120 Millimeter x 10.236 Inch | 260 Millimeter x 2.165 Inch | 55 Millimeter TIMKEN NU324EMA Cylindrical Roller Bearings 678AZZ 8x12x3.5 8 12
3.937 Inch | 100 Millimeter x 8.465 Inch | 215 Millimeter x 1.85 Inch | 47 Millimeter TIMKEN NU320EMAC3 Cylindrical Roller Bearings 677ZZ 7x11x3 7 11
3.74 Inch | 95 Millimeter x 7.874 Inch | 200 Millimeter x 1.772 Inch | 45 Millimeter TIMKEN NU319EMA Cylindrical Roller Bearings 165.1 mm 225.425 mm 168.275 mm 168.275 mm
20.866 Inch | 530 Millimeter x 30.709 Inch | 780 Millimeter x 7.283 Inch | 185 Millimeter TIMKEN NU30/530KMS1W33 Cylindrical Roller Bearings 676AZZ 6x10x3 6 10
7.874 Inch | 200 Millimeter x 14.173 Inch | 360 Millimeter x 2.283 Inch | 58 Millimeter TIMKEN NU240EMA Cylindrical Roller Bearings 6006-Z 55x30x13 55 30
6.693 Inch | 170 Millimeter x 12.205 Inch | 310 Millimeter x 2.047 Inch | 52 Millimeter TIMKEN NU234EMAC3 Cylindrical Roller Bearings 672HZZ 2x4x2 2 4
8.661 Inch | 220 Millimeter x 18.11 Inch | 460 Millimeter x 5.709 Inch | 145 Millimeter TIMKEN NU2344EMA Cylindrical Roller Bearings 68/710 710x870x74 710 870
7.874 Inch | 200 Millimeter x 16.535 Inch | 420 Millimeter x 5.433 Inch | 138 Millimeter TIMKEN NU2340EMA Cylindrical Roller Bearings 68/950 950x1150x90 950,000 1150,000
6.693 Inch | 170 Millimeter x 14.173 Inch | 360 Millimeter x 4.724 Inch | 120 Millimeter TIMKEN NU2334EMA Cylindrical Roller Bearings 6309 2RD C3 45x100x25 45 100
5.906 Inch | 150 Millimeter x 12.598 Inch | 320 Millimeter x 4.252 Inch | 108 Millimeter TIMKEN NU2330EMA Cylindrical Roller Bearings 6808ZZ 40x52x7 40 52
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