Timken M270749A – M270710CD
Tapered Roller Bearings - TDO (Tapered Double Outer) Imperial
(BRAND)：TIMKEN
(Availability)：In Stock
(EMAIL)：info@noksbearings.com
Specifications
Series
M270700
Cone Part Number
M270749A
Cup Part Number
M270710CD
Design Unit
Inch
Cage Material
Stamped Steel
Related Assembly Number(s)
M270749A-902B4
Dimensions
d - Bore
447.675 mm
D - Cup Outer Diameter
635.000 mm
B - Cone Width
120.650 mm
C - Double Cup Width
206.375 mm
T - Bearing Width across Cones
257.175 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
484 mm
Da - Cup Frontface Backing Diameter
605.03 mm
Aa - Cage-Cone Backface Clearance
9.4 mm
a - Effective Center Location3
-8.1 mm
Basic Load Ratings
C90 - Dynamic Radial Rating (One-Row, 90 million revolutions)4
799000 N
C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)5
5370000 N
C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)6
1390000 N
C7
455000 N
Factors
K - Factor8
1.76
e - ISO Factor9
0.33
Y1 - ISO Factor10
2.03
Y2 - ISO Factor11
3.02
Cg - Geometry Factor12
0.241
