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Timken 3977X - 3921XA Timken bearings distributor

Model No.:
3977X - 3921XA
Timken bearings distributor
Technical Parameters:
Cone Part Number:3977X     
Cup Part Number:3921XA     
a - Effective Center Location3:-0.18 in      -4.60 mm     
Db - Cup Backface Backing Diameter:3.94 in      100.08 mm     
C0 - Static Radial Rating:43000 lbf      191000 N     
d - Cone Bore:2.3617 in      59.987 mm     
K - Factor1:1.45     
R - Cone Backface "To Clear" Radius1:0.090 in      2.290 mm     
Y - ISO Factor3:1.49     
Da - Cup Frontface Backing Diameter:4.13 in      104.90 mm     
Design Units:Imperial     
T - Bearing Width:1.1713 in      29.751 mm     
G1 - Heat Generation Factor (Roller-Raceway):75.2     
B - Cone Width:1.1024 in      28.001 mm     
Ab - Cage-Cone Frontface Clearance:0.12 in      3.05 mm     
D - Cup Outer Diameter:4.3301 in      109.985 mm     
C - Cup Width:0.9375 in      23.813 mm     
db - Cone Backface Backing Diameter:2.83 in      71.88 mm     
Aa - Cage-Cone Backface Clearance:0.09 in      2.29 mm     
Cage Type:Stamped Steel     
da - Cone Frontface Backing Diameter:2.68 in      68.07 mm     
C1 - Dynamic Radial Rating (1 million revolutions)2:31200 lbf      139000 N     
Bearing Weight:2.7000 lb      1.2000 Kg     
Cg - Geometry Factor:0.109     
r - Cup Backface "To Clear" Radius2:0.020 in      0.51 mm     
Z - Number of Rollers Per Row:22     
e - ISO Factor2:0.4     
Ca90 - Dynamic Thrust Rating (90 million revolutions)3:5570 lbf      24800 N     
G2 - Heat Generation Factor (Rib-Roller End):21.3     
C90 - Dynamic Radial Rating (90 million revolutions)1:8090 lbf      36000 N     
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Timken 3977X - 3921XA description
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