DC4918VW KOYO Full complement cylindrical roller bearings

Brand Name: KOYO
Model Number: DC4918VW
Series: LM78300
Cone Part Number: LM78349
Cup Part Number: LM78310A
Design Units: Imperial
Bearing Weight: 0.20 Kg
Cage Type: Stamped Steel
d: 34.989 mm
D: 61.973 mm
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Product Details

Series LM78300
Cone Part Number LM78349
Cup Part Number LM78310A
Design Units Imperial
Bearing Weight 0.20 Kg
Cage Type Stamped Steel
d 34.989 mm
D 61.973 mm
B - Cone Width 17.000 mm
C - Cup Width 13.599 mm
B 16.701 mm
R - Cone Backface To Clear Radius1 3.560 mm
r - Cup Backface To Clear Radius2 1.52 mm
da - Cone Frontface Backing Diameter 39.88 mm
db - Cone Backface Backing Diameter 45.97 mm
Da - Cup Frontface Backing Diameter 59.44 mm
Db - Cup Backface Backing Diameter 54.10 mm
Ab - Cage-Cone Frontface Clearance 1.8 mm
Aa - Cage-Cone Backface Clearance 0.3 mm
a - Effective Center Location3 -2.5 mm
C90 - Dynamic Radial Rating (90 million revolutions)4 2480 lbf
C1 - Dynamic Radial Rating (1 million revolutions)5 9560 lbf
C0 - Static Radial Rating 11800 lbf
Ca90 - Dynamic Thrust Rating (90 million revolutions)6 1880 lbf
K - Factor7 1.31
e - ISO Factor8 0.44
Y - ISO Factor9 1.35
G1 - Heat Generation Factor (Roller-Raceway) 16.1
G2 - Heat Generation Factor (Rib-Roller End) 16.2
Cg - Geometry Factor 0.0678
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