M12648A/M1261 TIMKEN Spherical Roller Bearings Steel Cage
Brand Name:TIMKEN
Model Number:M12648A/M1261
Series:3900
Cone Part Number:3955
Design Units:Imperial
Cage Type:Stamped Steel
C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)1:54300 lbf
C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)2:14100 lbf
d:2.5000 in
B - Cone Width:1.4330 in

Product Details

Series3900
Cone Part Number3955
Design UnitsImperial
Cage TypeStamped Steel
C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)154300 lbf
C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)214100 lbf
d2.5000 in
B - Cone Width1.4330 in
R - Cone Backface To Clear Radius30.14 in
da - Cone Frontface Backing Diameter2.8 in
db - Cone Backface Backing Diameter3.03 in
Ab - Cage-Cone Frontface Clearance0.08 in
Aa - Cage-Cone Backface Clearance0.31 in
a - Effective Center Location4-0.43 in
C90 - Dynamic Radial Rating (90 million revolutions)58090 lbf
C1 - Dynamic Radial Rating (1 million revolutions)631200 lbf
C0 - Static Radial Rating43000 lbf
Ca90 - Dynamic Thrust Rating (90 million revolutions)75570 lbf
K - Factor81.45
Cg - Geometry Factor0.109
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Company Profile

KRF bearing Co., Ltd
Phone 765-685-2500
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