DC4912VW KOYO Full complement cylindrical roller bearings

Brand Name: KOYO
Model Number: DC4912VW
Cone Part Number: 69354
Design Units: Imperial
Cage Type: Stamped Steel
C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)1: 70700 lbf
C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)2: 18300 lbf
d: 3.5430 in
B - Cone Width: 1.1875 in
R - Cone Backface To Clear Radius3: 0.09 in
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Product Details

Cone Part Number 69354
Design Units Imperial
Cage Type Stamped Steel
C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)1 70700 lbf
C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)2 18300 lbf
d 3.5430 in
B - Cone Width 1.1875 in
R - Cone Backface To Clear Radius3 0.09 in
da - Cone Frontface Backing Diameter 3.9 in
db - Cone Backface Backing Diameter 4.06 in
Ab - Cage-Cone Frontface Clearance 0.13 in
Aa - Cage-Cone Backface Clearance 0.12 in
a - Effective Center Location4 -0.02 in
C90 - Dynamic Radial Rating (90 million revolutions)5 10500 lbf
C1 - Dynamic Radial Rating (1 million revolutions)6 40600 lbf
C0 - Static Radial Rating 51700 lbf
Ca90 - Dynamic Thrust Rating (90 million revolutions)7 7620 lbf
K - Factor8 1.38
G1 - Heat Generation Factor (Roller-Raceway) 117
G2 - Heat Generation Factor (Rib-Roller End) 39.6
Cg - Geometry Factor 0.0874
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