HM252344/HM252311D TIMKEN Double Direction Thrust Bearings

Brand Name: TIMKEN
Model Number: HM252344/HM252311D
Series: 74000
Cone Part Number: 74537
Design Units: Imperial
Cage Type: Stamped Steel
C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)1: 150000 lbf
C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)2: 38800 lbf
d: 5.3750 in
B - Cone Width: 1.875 in

Product Details

Series 74000
Cone Part Number 74537
Design Units Imperial
Cage Type Stamped Steel
C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)1 150000 lbf
C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)2 38800 lbf
d 5.3750 in
B - Cone Width 1.875 in
R - Cone Backface To Clear Radius3 0.14 in
da - Cone Frontface Backing Diameter 5.83 in
db - Cone Backface Backing Diameter 6.1 in
Ab - Cage-Cone Frontface Clearance 0.11 in
Aa - Cage-Cone Backface Clearance 0.17 in
a - Effective Center Location4 0.09 in
C90 - Dynamic Radial Rating (90 million revolutions)5 22300 lbf
C1 - Dynamic Radial Rating (1 million revolutions)6 85900 lbf
C0 - Static Radial Rating 138000 lbf
Ca90 - Dynamic Thrust Rating (90 million revolutions)7 18600 lbf
K - Factor8 1.2
G1 - Heat Generation Factor (Roller-Raceway) 363
G2 - Heat Generation Factor (Rib-Roller End) 68.5
Cg - Geometry Factor 0.134
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