9878 SKF SKF CR SEALS

Brand Name: SKF
Model Number: 9878
Series: 3700
Cone Part Number: 3779
Cup Part Number: 3729D
Design Units: Imperial
Bearing Weight: 4.21 lb
Cage Type: Stamped Steel
Ab - Cage-Cone Frontface Clearance: 0.06 in
d: 1.8750 in

Product Details

Series 3700
Cone Part Number 3779
Cup Part Number 3729D
Design Units Imperial
Bearing Weight 4.21 lb
Cage Type Stamped Steel
Ab - Cage-Cone Frontface Clearance 0.06 in
d 1.8750 in
D 3.6718 in
B - Cone Width 1.1930 in
C - Double Cup Width 2.0625 in
T - Bearing Width across Cones 2.5625 in
R - Cone Backface To Clear Radius1 0.14 in
r - Cup Frontface To Clear Radius2 0.03 in
db - Cone Backface Backing Diameter 2.4 in
Da - Cup Frontface Backing Diameter 3.50 in
Aa - Cage-Cone Backface Clearance 0.06 in
C90 - Dynamic Radial Rating (One-Row, 90 million revolutions)3 7120 lbf
C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)4 47800 lbf
C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)5 12400 lbf
Ca90 - Dynamic Thrust Rating (90 million revolutions)6 4120 lbf
K - Factor7 1.73
e - ISO Factor8 0.34
Y1 - ISO Factor9 1.99
Y2 - ISO Factor10 2.97
G1 - Heat Generation Factor (Roller-Raceway)11 49.9
G2 - Heat Generation Factor (Rib-Roller End) 14.5
Cg - Geometry Factor12 0.0903
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