Timken M272749 – M272710CD
Tapered Roller Bearings - TDO (Tapered Double Outer) Imperial
(BRAND)：TIMKEN
(Availability)：In Stock
(EMAIL)：info@noksbearings.com
Specifications
Series
M272700
Cone Part Number
M272749
Cup Part Number
M272710CD
Design Unit
Inch
Cage Material
Pin-Type
Related Assembly Number(s)
M272749-90044
Dimensions
d - Bore
479.425 mm
D - Cup Outer Diameter
679.450 mm
B - Cone Width
128.588 mm
C - Double Cup Width
222.250 mm
T - Bearing Width across Cones
276.225 mm
Abutment and Fillet Dimensions
R - Cone Backface "To Clear" Radius1
6.4 mm
r - Cup Backface "To Clear" Radius2
1.5 mm
db - Cone Backface Backing Diameter
516 mm
Da - Cup Frontface Backing Diameter
648.21 mm
Aa - Cage-Cone Backface Clearance
7.9 mm
a - Effective Center Location3
-8.9 mm
Basic Load Ratings
C90 - Dynamic Radial Rating (One-Row, 90 million revolutions)4
968000 N
C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)5
6500000 N
C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)6
1680000 N
C7
551000 N
Factors
K - Factor8
1.76
e - ISO Factor9
0.7
Y1 - ISO Factor10
0.97
Y2 - ISO Factor11
1.44
Cg - Geometry Factor12
0.26
