Timken EE420750D – 421437
Tapered Roller Bearings - TDI (Tapered Double Inner) Imperial
(BRAND)：TIMKEN
(Availability)：In Stock
(EMAIL)：info@noksbearings.com
Specifications
Series
420000
Cone Part Number
EE420750D
Cup Part Number
421437
Design Unit
Inch
Cage Material
Stamped Steel
Related Assembly Number(s)
EE420750D-90068
Dimensions
d - Bore
190.5 mm
D - Cup Outer Diameter
365.049 mm
B - Double Cone Width
152.400 mm
C - Cup Width
63.5 mm
T - Bearing Width across Cups
158.747 mm
Abutment and Fillet Dimensions
R - Cone Backface "To Clear" Radius1
3.300 mm
r - Cup Backface "To Clear" Radius2
3.30 mm
da - Cone Frontface Backing Diameter
221 mm
Db - Cup Backface Backing Diameter
328.93 mm
Ab - Cage-Cone Frontface Clearance
3.6 mm
Basic Load Ratings
C90 - Dynamic Radial Rating (One-Row, 90 million revolutions)3
286000 N
C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)4
1920000 N
C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)5
498000 N
C6
197000 N
Factors
K - Factor7
1.45
e - ISO Factor8
0.4
Y1 - ISO Factor9
1.68
Y2 - ISO Factor10
2.5
G1 - Heat Generation Factor (Roller-Raceway)
1150
G2 - Heat Generation Factor (Rib-Roller End)
128
Cg - Geometry Factor11
0.145
