JM720249/JM72021 TIMKEN Spherical Roller Bearings Steel Cage
Brand Name:TIMKEN
Model Number:JM720249/JM72021
Series:HM261000
Cone Part Number:HM261049
Cup Part Number:HM261010
Design Units:Imperial
Bearing Weight:48.70 Kg
Cage Type:Pin-Type
d:333.375 mm
D:469.900 mm

Product Details

SeriesHM261000
Cone Part NumberHM261049
Cup Part NumberHM261010
Design UnitsImperial
Bearing Weight48.70 Kg
Cage TypePin-Type
d333.375 mm
D469.900 mm
B - Cone Width90.488 mm
C - Cup Width71.438 mm
B90.488 mm
R - Cone Backface To Clear Radius16.35 mm
r - Cup Backface To Clear Radius23.30 mm
da - Cone Frontface Backing Diameter357.89 mm
db - Cone Backface Backing Diameter362.97 mm
Da - Cup Frontface Backing Diameter449.60 mm
Db - Cup Backface Backing Diameter438.91 mm
Ab - Cage-Cone Frontface Clearance6.4 mm
Aa - Cage-Cone Backface Clearance5.6 mm
a - Effective Center Location3-6.1 mm
C90 - Dynamic Radial Rating (90 million revolutions)493200 lbf
C1 - Dynamic Radial Rating (1 million revolutions)5360000 lbf
C0 - Static Radial Rating777000 lbf
Ca90 - Dynamic Thrust Rating (90 million revolutions)653400 lbf
K - Factor71.74
e - ISO Factor80.33
Y - ISO Factor91.79
G1 - Heat Generation Factor (Roller-Raceway)3310
G2 - Heat Generation Factor (Rib-Roller End)324
Cg - Geometry Factor0.194
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Company Profile

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