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30203 tapered roller bearing

30203 Tapered Roller Bearing

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Min. Order:
1 Piece
Payment term:
T/T
Delivery time:
10-30 days
Technical Parameters:
Product Designations:
30203
Structure:
Tapered roller bearing
Inside Diameter:
17 mm
Outside Diameter:
40 mm
Thickness:
13.25 mm
Weight:
0.2 KG
Brand:
LBR
Precision Rating:
P0 P6 P5 P4 P2
Bearing Material:
Chrome steel
Seals Type:
Open
30203 Tapered Roller Bearing
Specifications  

Series

 30203

Cone Part Number

 X30203

Cup Part Number

 Y30203

Design Units

 Metric

Bearing Weight

 0.2000 Kg

Cage Type

 Stamped Steel

Dimensions  

D - Cup Outer Diameter

 40.000 mm

d - Cone Bore

 17.000 mm

B - Cone Width

 12.000 mm

C - Cup Width

 11.000 mm

T - Bearing Width

 13.250 mm

Z - Number of Rollers Per Row

 15

Abutment and Fillet Dimensions  

R - Cone Backface "To Clear" Radius1

 1.020 mm

r - Cup Backface "To Clear" Radius2

 1.02 mm

da - Cone Frontface Backing Diameter

 21.08 mm

db - Cone Backface Backing Diameter

 22.10 mm

Da - Cup Frontface Backing Diameter

 37.59 mm

Db - Cup Backface Backing Diameter

 35.05 mm

Ab - Cage-Cone Frontface Clearance

 1.52 mm

Aa - Cage-Cone Backface Clearance

 0.25 mm

a - Effective Center Location3

 -3.60 mm
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.

Basic Load Ratings  

C90 - Dynamic Radial Rating (90 million revolutions)1

 5530 N

C1 - Dynamic Radial Rating (1 million revolutions)2

 21300 N

C0 - Static Radial Rating

 19900 N

Ca90 - Dynamic Thrust Rating (90 million revolutions)3

 3270 N
1 Based on 90 x 106 revolutions L10 life, for The Timken Company life calculation method. C90 and Ca90 are radial and thrust values.
2 Based on 1 x 106 revolutions L10 life, for the ISO life calculation method.
3 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.

Factors  

K - Factor1

 1.69

e - ISO Factor2

 0.35

Y - ISO Factor3

 1.74

G1 - Heat Generation Factor (Roller-Raceway)

 4.2

G2 - Heat Generation Factor (Rib-Roller End)

 6

Cg - Geometry Factor

 0.0398
1 These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use.
2 These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use.
3 These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use.

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Categories:  Tapered Roller Bearings
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Product Groups
Spherical roller bearing
Wheel hub bearing
Angular contact ball bearings
Cylindrical roller bearings
deep groove ball bearings
tapered roller bearings
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