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Timken JM720249/JM720210 Tapered Roller Bearing

FOB Price:
USD0.5-0.6/PieceGet Latest Price
Port:
Shanghai
Minimum Order Quantity:
1 Piece/Pieces
Supply Ability:
500000 Piece/Pieces Day
Payment Terms:
D/P,T/T,Western Union,MoneyGram,Other,

Quick Details

Model:JM720249/JM720210Structure:Taper Roller BearingType:Roller
Brand Name:TIMKEN

Specifications

Specifications

Series

M720200

Cone Part Number

JM720249

Cup Part Number

JM720210

Design Units

METRIC

Bearing Weight

2.400 Kg5.20 lb

Cage Type

Stamped Steel

Dimensions

d - Bore

100 mm3.937 in

D - Cup Outer Diameter

155.000 mm6.1024 in

B - Cone Width

35.000 mm1.3780 in

C - Cup Width

28 mm1.1024 in

T - Bearing Width

36 mm1.4173 in

Abutment and Fillet Dimensions

R - Cone Backface "To Clear" Radius1 3.050 mm0.12 in
r - Cup Backface "To Clear" Radius2 2.54 mm0.1 in

da - Cone Frontface Backing Diameter

108.97 mm4.29 in

db - Cone Backface Backing Diameter

115.06 mm4.53 in

Da - Cup Frontface Backing Diameter

150.10 mm5.91 in

Db - Cup Backface Backing Diameter

139.95 mm5.51 in

Ab - Cage-Cone Frontface Clearance

3.8 mm0.15 in

Aa - Cage-Cone Backface Clearance

2.3 mm0.09 in
a - Effective Center Location3 0.3 mm0.01 in

Basic Load Ratings

C90 - Dynamic Radial Rating (90 million revolutions)4 60000 N13500 lbf
C1 - Dynamic Radial Rating (1 million revolutions)5 231000 N52000 lbf

C0 - Static Radial Rating

355000 N79900 lbf
Ca90 - Dynamic Thrust Rating (90 million revolutions)6 48600 N10900 lbf

Factors

K - Factor7 1.24
e - ISO Factor8 0.47
Y - ISO Factor9 1.27

G1 - Heat Generation Factor (Roller-Raceway)

175

G2 - Heat Generation Factor (Rib-Roller End)

48.5

Cg - Geometry Factor

0.104
  • 1 These maximum fillet radii will be cleared by the bearing corners.
  • 2 These maximum fillet radii will be cleared by the bearing corners.
  • 3 Negative value indicates effective center inside cone backface.
  • 4 Based on 90 x 106 revolutions L10 life, for The Timken Company life calculation method. C90 and Ca90 are radial and thrust values.
  • 5 Based on 1 x 106 revolutions L10 life, for the ISO life calculation method.
  • 6 Based on 90 x 106 revolutions L10 life, for The Timken Company life calculation method. C90 and Ca90 are radial and thrust values for a single-row, C90(2) is the two-row radial value.
  • 7 These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use.
  • 8 These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use.
  • 9 These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use.

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