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438-432D TIMKEN Double Row outer ring Tapered roller bearing

Main demensions:44.45 mm × 95.25 mm × 61.915 mm Inside diameter (ID d):44.45 mm Outside diameter (OD D):95.25 mm Thickness/width (T/B/H):61.915 mm Weight, Mass (M): 1.984 kg Category:Double row i

Product Details

438-432D TIMKEN Double Row outer ring Tapered roller bearing

438-432D Bearing has Double Row Outer Ring with oil holes and groove , cup number is 432D, has two inner rings , cone number is 438 . 

The details of 438-432D TIMKEN Double Row outer ring Tapered roller bearing as below :




Cone Part Number


Cup Part Number


Design Units


Bearing Weight

4.37 lb1.984 Kg

Cage Type

Stamped Steel

Ab - Cage-Cone Frontface Clearance

0.05 in1.3 mm


d - Bore

1.7500 in44.450 mm

D - Cup Outer Diameter

3.7500 in95.250 mm

B - Cone Width

1.1772 in29.901 mm

C - Double Cup Width

2.0000 in50.800 mm

T - Bearing Width across Cones

2.4376 in61.915 mm

Abutment and Fillet Dimensions

R - Cone Backface "To Clear" Radius1 0.14 in3.600 mm
r - Cup Frontface "To Clear" Radius2 0.03 in0.8 mm

db - Cone Backface Backing Diameter

2.24 in56.90 mm

Da - Cup Frontface Backing Diameter

3.46 in87.12 mm

Aa - Cage-Cone Backface Clearance

0.04 in1 mm

Basic Load Ratings

C90 - Dynamic Radial Rating (One-Row, 90 million revolutions)3 7400 lbf32900 N
C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)4 49700 lbf221000 N
C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)5 12900 lbf57300 N
Ca90 - Dynamic Thrust Rating (90 million revolutions)6 3600 lbf16000 N


K - Factor7 2.05
e - ISO Factor8 0.59
Y1 - ISO Factor9 1.141.70
Y2 - ISO Factor10 1.7
Cg - Geometry Factor11 0.0805

Timken bearing 438-432 d

438-432d bearing

timken 438-432

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