Timken NA438SW – 432D
Tapered Roller Bearings - TNA (Tapered Double, non-adjustable) Imperial
(BRAND)：TIMKEN
(Availability)：In Stock
(EMAIL)：info@noksbearings.com
Detailed data of
NA438SW – 432D
Specifications
Cone Part Number
NA438SW
Cup Part Number
432D
Design Unit
Inch
Dimensions
d - Bore
44.450 mm
D - Cup Outer Diameter
95.250 mm
T - Bearing Width across Cones
61.915 mm
C - Double Cup Width
50.800 mm
Abutment and Fillet Dimensions
R - Cone Backface "To Clear" Radius1
3.5 mm
r - Cup Backface "To Clear" Radius2
0.8 mm
db - Cone Backface Backing Diameter
57 mm
Da - Cup Frontface Backing Diameter
87.12 mm
Basic Load Ratings
C90 - Dynamic Radial Rating (90 million revolutions)3
32900 N
C1 - Dynamic Radial Rating (1 million revolutions)4
221000 N
C5
16000 N
C906
57300 N
Factors
K - Factor7
2.05
e - ISO Factor8
0.28
Y1 - ISO Factor9
2.37
Y2 - ISO Factor10
3.53
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