Timken JHM840449A
Tapered Roller Bearings - Single Cones - Metric
(BRAND)：TIMKEN
(Availability)：In Stock
(EMAIL)：info@noksbearings.com
Specifications
Series
HM840400
Cone Part Number
JHM840449A
Design Units
METRIC
Cage Type
Stamped Steel
C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)1
1210000 N
C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)2
314000 N
Full Timken Part Number
HM840400
Dimensions
d - Cone Bore
200 mm
B - Cone Width
62 mm
Abutment and Fillet Dimensions
R - Cone Backface "To Clear" Radius3
9.650 mm
da - Cone Frontface Backing Diameter
214.6 mm
db - Cone Backface Backing Diameter
235 mm
Ab - Cage-Cone Frontface Clearance
7.1 mm
Aa - Cage-Cone Backface Clearance
3.8 mm
a - Effective Center Location4
8.1 mm
Basic Load Ratings
C90 - Dynamic Radial Rating (90 million revolutions)5
180000 N
C1 - Dynamic Radial Rating (1 million revolutions)6
695000 N
C0 - Static Radial Rating
1280000 N
C7
161000 N
Factors
K - Factor8
1.12
G1 - Heat Generation Factor (Roller-Raceway)
853.6
G2 - Heat Generation Factor (Rib-Roller End)
126.4
Cg - Geometry Factor9
0.143
