NTN BEARING-BOWER CORP.

Tapered Roller Bearing Assemblies

The proper adjustment of the two bearings in the hub assembly is one of the most important aspects of the installation process. Excessive tightening of the adjustment nut, otherwise known as excessive preload, can cause the type of rapid deep spalling shown in these pictures.

The cup is comprised of the outer ring and the cone assembly consists of inner ring, rollers, and cage. This bearing construction accommodates combined loads and provides low friction during operation.

TIMKEN L879947-902A1 Tapered Roller Bearing Assemblies
Not Applicable
B04286
TIMKEN L879947-30000/L879910-30000 Tapered Roller Bearing Assemblies
Pillow Block
Inch
TIMKEN L879947-90012 Tapered Roller Bearing Assemblies
2.452
B04311
TIMKEN L879946-90018 Tapered Roller Bearing Assemblies
Clearance/Non-C
Cast Iron
TIMKEN L865547-902A2 Tapered Roller Bearing Assemblies
8482.50.00.00
30MM Bore; Straight
TIMKEN L860049AA-902A6 Tapered Roller Bearing Assemblies
Ball Bearing
No
TIMKEN L860049-902A3 Tapered Roller Bearing Assemblies
B04336
Tapered
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