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  • Timken 28995 - Steel Tapered Bearing w/ Micro Blue Coating - Inner Rear

    This is a tapered bearing commonly used in the NASCAR hubs. We have a large lot along with the tapered bearings, races, and more. These come REM finished with a Micro Blue coating to reduce friction. 

    Use:
    • Tapered Bearing - NASCAR Speedway - REAR - 5x5 - Inner Rear 

    Dimensions

    d - Cone Bore

    		2.4700 in62.738 mm

    B - Cone Width

    		1.0000 in25.400 mm

    Abutment and Fillet Dimensions

    R - Cone Backface "To Clear" Radius3 0.14 in3.600 mm

    da - Cone Frontface Backing Diameter

    		2.76 in70 mm

    db - Cone Backface Backing Diameter

    		3.03 in77 mm

    Ab - Cage-Cone Frontface Clearance

    		0.09 in2.3 mm

    Aa - Cage-Cone Backface Clearance

    		0.05 in1.3 mm
    a - Effective Center Location4 -0.1 in-2.5 mm

    Basic Load Ratings

    C90 - Dynamic Radial Rating (90 million revolutions)5 6180 lbf27500 N
    C1 - Dynamic Radial Rating (1 million revolutions)6 23800 lbf106000 N

    C0 - Static Radial Rating

    		33500 lbf149000 N
    Ca90 - Dynamic Thrust Rating (90 million revolutions)7 4500 lbf20000 N

    Factors

    K - Factor8 1.37

    G1 - Heat Generation Factor (Roller-Raceway)

    		60.1

    G2 - Heat Generation Factor (Rib-Roller End)

    		24.5
    Cg - Geometry Factor9







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