NNCF4928V NSK Double row full complement cylindrical roller bearings

Brand Name: NSK
Model Number: NNCF4928V
Series: M238800
Cone Part Number: M238840
Cup Part Number: M238810
Design Units: Imperial
Bearing Weight: 11 Kg
Cage Type: Stamped Steel
d: 177.800 mm
D: 269.875 mm
PDF NNCF4928V

Product Details

Series M238800
Cone Part Number M238840
Cup Part Number M238810
Design Units Imperial
Bearing Weight 11 Kg
Cage Type Stamped Steel
d 177.800 mm
D 269.875 mm
B - Cone Width 55.563 mm
C - Cup Width 42.863 mm
B 55.563 mm
R - Cone Backface To Clear Radius1 3.560 mm
r - Cup Backface To Clear Radius2 3.30 mm
da - Cone Frontface Backing Diameter 194.06 mm
db - Cone Backface Backing Diameter 198.12 mm
Da - Cup Frontface Backing Diameter 258.06 mm
Db - Cup Backface Backing Diameter 249.94 mm
Ab - Cage-Cone Frontface Clearance 3 mm
Aa - Cage-Cone Backface Clearance 5.3 mm
a - Effective Center Location3 -6.1 mm
C90 - Dynamic Radial Rating (90 million revolutions)4 29600 lbf
C1 - Dynamic Radial Rating (1 million revolutions)5 114000 lbf
C0 - Static Radial Rating 225000 lbf
Ca90 - Dynamic Thrust Rating (90 million revolutions)6 16800 lbf
K - Factor7 1.76
e - ISO Factor8 0.33
Y - ISO Factor9 1.8
G1 - Heat Generation Factor (Roller-Raceway) 788
G2 - Heat Generation Factor (Rib-Roller End) 118
Cg - Geometry Factor 0.12
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