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Part Number HM212049 - HM212011, Tapered Roller Bearings - TS (Tapered Single) Imperial

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Part Number HM212049 - HM212011, Tapered Roller Bearings - TS (Tapered Single) Imperial
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Model
Part Number HM212049 - HM212011, Tapered Roller Bearings - TS (Tapered Single) Imperial
MOQ
1
Payment
100% TT before shipping
FOB Port
qingdao
Cetification
ISO9001
Delivery Time
7-20days after payment
Serives
OEM
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This is the most basic and most widely used type of tapered roller bearing. It consists of two main separable parts: the cone (inner ring) assembly and the cup (outer ring). It is typically mounted in opposing pairs on a shaft.


Specifications

Series

HM212000

Cone Part Number

HM212049

Cup Part Number

HM212011

Design Unit

Inch

Bearing Weight

4.1 lb1.8 Kg

Cage Material

Stamped Steel

Dimensions

d - Bore

2.6250 in66.675 mm

D - Cup Outer Diameter

4.8125 in122.238 mm

B - Cone Width

1.5100 in38.354 mm

C - Cup Width

1.1700 in29.718 mm

T - Bearing Width

1.5000 in38.100 mm

Abutment and Fillet Dimensions

R - Cone Backface "To Clear" Radius10.14 in3.560 mm
r - Cup Backface "To Clear" Radius20.130 in3.3 mm

da - Cone Frontface Backing Diameter

2.97 in75.5 mm

db - Cone Backface Backing Diameter

3.23 in82 mm

Da - Cup Frontface Backing Diameter

4.60 in116.10 mm

Db - Cup Backface Backing Diameter

4.25 in107.95 mm

Ab - Cage-Cone Frontface Clearance

0.15 in3.8 mm

Aa - Cage-Cone Backface Clearance

0.07 in1.8 mm
a - Effective Center Location3-0.43 in-10.9 mm

Basic Load Ratings

C90 - Dynamic Radial Rating (90 million revolutions)415600 lbf69200 N
C1 - Dynamic Radial Rating (1 million revolutions)560000 lbf267000 N

C0 - Static Radial Rating

62700 lbf279000 N
Ca90 - Dynamic Thrust Rating (90 million revolutions)68990 lbf40000 N

Factors

K - Factor71.73
e - ISO Factor80.34
Y - ISO Factor91.78

G1 - Heat Generation Factor (Roller-Raceway)

92.2

G2 - Heat Generation Factor (Rib-Roller End)

18.1
Cg - Geometry Factor100.0759
  • 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.

  • 10 Geometry constant for Lubrication Life Adjustment Factor a3l.




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