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Date: 2016-08-22

Timken 33880 - 33821 bearing stock, Dimensions, Drawing

Series 33800
Cone Part Number 33880
Cup Part Number 33821
Design Units Imperial
Bearing Weight 2.3000 lb
1.0000 Kg
Cage Type Stamped Steel
D - Cup Outer Diameter 3.7500 in
95.250 mm
d - Cone Bore 1.5000 in
38.100 mm
B - Cone Width 1.1250 in
28.575 mm
C - Cup Width 0.8750 in
22.225 mm
T - Bearing Width 1.0938 in
27.783 mm
Z - Number of Rollers Per Row 18
R - Cone Backface "To Clear" Radius1 0.140 in
3.560 mm
r - Cup Backface "To Clear" Radius2 0.090 in
2.29 mm
da - Cone Frontface Backing Diameter 1.89 in
48.01 mm
db - Cone Backface Backing Diameter 2.13 in
54.10 mm
Da - Cup Frontface Backing Diameter 3.56 in
90.42 mm
Db - Cup Backface Backing Diameter 3.35 in
85.09 mm
Ab - Cage-Cone Frontface Clearance 0.09 in
2.29 mm
Aa - Cage-Cone Backface Clearance 0.05 in
1.27 mm
a - Effective Center Location3 -0.30 in
-7.60 mm
C90 - Dynamic Radial Rating (90 million revolutions)1 7560 lbf
33600 N
C1 - Dynamic Radial Rating (1 million revolutions)2 29200 lbf
130000 N
C0 - Static Radial Rating 36200 lbf
161000 N
Ca90 - Dynamic Thrust Rating (90 million revolutions)3 4270 lbf
19000 N
K - Factor1 1.77
e - ISO Factor2 0.33
Y - ISO Factor3 1.82
G1 - Heat Generation Factor (Roller-Raceway) 52.5
G2 - Heat Generation Factor (Rib-Roller End) 18.5
Cg - Geometry Factor 0.091



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