Timken 3876 Tapered Roller Bearing 1 1/2″ ID x 1.1875″ Cone Width 20024
Specifications:
Condition: New
Brand: Timken
Model: 3876
MPN: none
Series: | Revision: | Firmware:
Description: Tapered Roller Bearing 20024
Capacity: 1 1/2″ ID x 1.1875″ Cone Width
Origin: USA
UPC: 053893134413
Notes: From MFG:
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
3800
Cone Part Number
3876
Design Units
Imperial
Cage Type
Stamped Steel
C1 – Dynamic Radial Rating (Two-Row, 1 million revolutions)1
48600 lbf
216000 N
C90(2) – Dynamic Radial Rating (Two-Row, 90 million revolutions)2
12600 lbf
56100 N
Dimensions
d – Cone Bore
1 1/2 in
38.1 mm
B – Cone Width
1.1875 in
30.163 mm
Abutment and Fillet Dimensions
R – Cone Backface “To Clear” Radius3
0.14 in
3.600 mm
da – Cone Frontface Backing Diameter
1.91 in
48.5 mm
db – Cone Backface Backing Diameter
2.17 in
55 mm
Ab – Cage-Cone Frontface Clearance
0.11 in
2.8 mm
Aa – Cage-Cone Backface Clearance
0.04 in
1 mm
a – Effective Center Location4
-0.32 in
-8.1 mm
Basic Load Ratings
C90 – Dynamic Radial Rating (90 million revolutions)5
7240 lbf
32200 N
C1 – Dynamic Radial Rating (1 million revolutions)6
27900 lbf
124000 N
C0 – Static Radial Rating
33200 lbf
148000 N
Ca90 – Dynamic Thrust Rating (90 million revolutions)7
4980 lbf
22200 N
Factors
K – Factor8
1.45
Cg – Geometry Factor9
0.0873
1 Based on 1 x 106 revolutions L10 life, for the ISO life calculation method.
2 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.
3 These maximum fillet radii will be cleared by the bearing corners.
4 Negative value indicates effective center inside cone backface.
5 Based on 90 x 106 revolutions L10 life, for The Timken Company life calculation method. C90 and Ca90 are radial and thrust values.
6 Based on 1 x 106 revolutions L10 life, for the ISO life calculation method.
7 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.
8 These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use.
9 Geometry constant for Lubrication Life Adjustment Factor a3l.
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