Specifications
Series : 375
Cone Part Number : 378DE
Cup Part Number :372
Design Unit : Inch
Cage Material : Stamped Steel
Dimensions
d - Bore : 49.213mm
D - Cup Outer Diameter : 100mm
B - Double Cone Width : 53.188 mm
C - Cup Width : 21.834mm
T - Bearing Width across Cups : 58.732mm
Abutment and Fillet Dimensions
R - Cone Backface "To Clear" Radius1 : 0.800 mm
r - Cup Backface "To Clear" Radius2 : 2.03 mm
da - Cone Frontface Backing Diameter : 56 mm
Db - Cup Backface Backing Diameter : 86.11mm
Ab - Cage-Cone Frontface Clearance : 2.3mm
Basic Load Ratings
C90 - Dynamic Radial Rating (One-Row, 90 million revolutions)3 : 22800 N
C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)4 : 15300 N
C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)5 : 39700N
Ca90 - Dynamic Thrust Rating (90 million revolutions)6 : 13200 N
Factors
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) ：37.6
G2 - Heat Generation Factor (Rib-Roller End)： 15.4
Cg - Geometry Factor11 : 0.0816
