Product Details

40 mm x 62 mm x 23 mm SKF NA 4908.2RS Cylindrical roller bearings

Brand Name SKF
Model Number NA 4908.2RS
Min.Order Quantity 1 pcs
Price Negotiable

Product Features

SKF NA 4908.2RS bearing Size Chart (mm/inches)

Series15000
Cone Part Number15117X
Cup Part Number15250
Design UnitsImperial
Bearing Weight0.30 Kg
Cage TypeStamped Steel
d30 mm
D63.500 mm
B - Cone Width20.638 mm
C - Cup Width15.875 mm
B20.638 mm
R - Cone Backface To Clear Radius11.520 mm
r - Cup Backface To Clear Radius21.27 mm
da - Cone Frontface Backing Diameter35.05 mm
db - Cone Backface Backing Diameter37.08 mm
Da - Cup Frontface Backing Diameter59.44 mm
Db - Cup Backface Backing Diameter55.88 mm
Ab - Cage-Cone Frontface Clearance1.8 mm
Aa - Cage-Cone Backface Clearance0.8 mm
a - Effective Center Location3-5.8 mm
C90 - Dynamic Radial Rating (90 million revolutions)43490 lbf
C1 - Dynamic Radial Rating (1 million revolutions)513500 lbf
C0 - Static Radial Rating12100 lbf
Ca90 - Dynamic Thrust Rating (90 million revolutions)62090 lbf
K - Factor71.67
e - ISO Factor80.35
Y - ISO Factor91.71
G1 - Heat Generation Factor (Roller-Raceway)14.6
G2 - Heat Generation Factor (Rib-Roller End)10
Cg - Geometry Factor0.0606
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