NA08125 – 08231D
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Timken NA08125 – 08231D

Tapered Roller Bearings - TNA (Tapered Double, non-adjustable) Imperial

(BRAND):TIMKEN
(Availability):In Stock
(EMAIL):info@noksbearings.com

Specifications

Cone Part Number NA08125
Cup Part Number 08231D
Design Unit Inch

Dimensions

d - Bore 31.750 mm
D - Cup Outer Diameter 58.738 mm
T - Bearing Width across Cones 32.542 mm
C - Double Cup Width 24.608 mm

Abutment and Fillet Dimensions

R - Cone Backface "To Clear" Radius1 1.5 mm
r - Cup Backface "To Clear" Radius2 0.40 mm
db - Cone Backface Backing Diameter 38.5 mm
Da - Cup Frontface Backing Diameter 55.12 mm

Basic Load Ratings

C90 - Dynamic Radial Rating (90 million revolutions)3 8220 N
C1 - Dynamic Radial Rating (1 million revolutions)4 55200 N
C5 6670 N
C906 14300 N

Factors

K - Factor7 1.23
e - ISO Factor8 0.47
Y1 - ISO Factor9 1.42
Y2 - ISO Factor10 2.12