Timken NA329121 – 329173CD
Tapered Roller Bearings - TNA (Tapered Double, non-adjustable) Imperial
(BRAND)：TIMKEN
(Availability)：In Stock
(EMAIL)：info@noksbearings.com
Detailed data of
NA329121 – 329173CD
Specifications
Cone Part Number
NA329121
Cup Part Number
329173CD
Related Assembly Number(s)
NA329121-902A1
Design Unit
Inch
Dimensions
d - Bore
304.8 mm
D - Cup Outer Diameter
438.048 mm
T - Bearing Width across Cones
161.925 mm
C - Double Cup Width
123.825 mm
Ka
22.23 mm
Kb
11.12 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
333.0 mm
Da - Cup Frontface Backing Diameter
414.1 mm
Basic Load Ratings
C90 - Dynamic Radial Rating (90 million revolutions)3
286000 N
C1 - Dynamic Radial Rating (1 million revolutions)4
1920000 N
C5
162000 N
C906
498000 N
Factors
K - Factor7
1.76
e - ISO Factor8
0.33
Y1 - ISO Factor9
2.04
Y2 - ISO Factor10
3.03
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