Timken NA483SW – 472D
Tapered Roller Bearings - TDO (Tapered Double Outer) Imperial
(BRAND)：TIMKEN
(Availability)：In Stock
(EMAIL)：info@noksbearings.com
Specifications
Series
475
Cone Part Number
NA483SW
Cup Part Number
472D
Design Unit
Inch
Cage Material
Stamped Steel
Dimensions
d - Bore
70 mm
D - Cup Outer Diameter
120 mm
B - Cone Width
37.308 mm
C - Double Cup Width
53.975 mm
T - Bearing Width across Cones
74.615 mm
Abutment and Fillet Dimensions
R - Cone Backface "To Clear" Radius1
3.556 mm
r - Cup Backface "To Clear" Radius2
0.762 mm
db - Cone Backface Backing Diameter
83 mm
Da - Cup Frontface Backing Diameter
114.046 mm
Aa - Cage-Cone Backface Clearance
5.6 mm
a - Effective Center Location3
-8.6 mm
Basic Load Ratings
C90 - Dynamic Radial Rating (One-Row, 90 million revolutions)4
37200 N
C5
24500 N
Factors
K - Factor6
1.52
e - ISO Factor7
0.38
Y1 - ISO Factor8
1.75
Y2 - ISO Factor9
2.61
