Montage of Timken Bearing Products 
Search Catalog
        
 All Product Types    Tapered Roller Bearings - 2TS-DM (Matched Bearing Assembly, Direct Mount)
View Cart View RFQs Express Ordering  | Shipping 
 | Tax 
 | Terms
 Shopping Cart 0 Items
 Request for Quote 0 Items
All Product Types > ENGINEERED BEARINGS > Tapered Roller Bearings > Tapered Roller Bearings - 2TS (Matched Bearing Assembly) > Tapered Roller Bearings - 2TS-DM (Matched Bearing Assembly, Direct Mount) > Part Number 3975 - 3920 (Y4S-3920)  
Download PDF Download PDF     Printable Page     Email Email This Page     Save To Favorites Save To Favorites
Add To Cart Request Quote

Part Number 3975 - 3920 (Y4S-3920), Tapered Roller Bearings - 2TS-DM (Matched Bearing Assembly, Direct Mount)


Tapered Roller Bearings - 2TS-DM (Matched Bearing Assembly, Direct Mount)



Unit of Measure: Imperial Metric Both

Specifications  · Dimensions  · Abutment and Fillet Dimensions  · Basic Load Ratings  · Factors

Specifications

Cone Part Number
3975

Cup Part Number
3920

Related Assembly Number(s)
3975-90066

Outer Spacer Part Number
Y4S-3920

Design Unit
Inch


Dimensions

d - Bore
2 in
50.8 mm

D - Cup Outer Diameter
4.4375 in
112.713 mm

T - Width
2.375 in
60.325 mm

B - Width
2.366 in
60.096 mm


Abutment and Fillet Dimensions

R - Cone Backface "To Clear" Radius1
0.02 in
0.50 mm

r - Cup Backface "To Clear" Radius2
0.130 in
3.30 mm

db - Cone Backface Backing Diameter
2.68 in
68 mm

Da - Cup Frontface Backing Diameter
4.18 in
106.17 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.


Basic Load Ratings

C90 - Dynamic Radial Rating (90 million revolutions)1
8090 lbf
36000 N

C1 - Dynamic Radial Rating (1 million revolutions)2
54300 lbf
242000 N

Ca90 - Dynamic Thrust Rating (90 million revolutions)3
5570 lbf
24800 N

C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)4
14100 lbf
62700 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.
4 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
1.45

e - ISO Factor2
0.4

Y1 - ISO Factor3
1.68

Y2 - ISO Factor4
2.5
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.
4 These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use.


 MORE IMAGES 

·  timken-2TS-DM-24-OD-pin-cage-cutaway-angle-view

·  timken-2TS-DM-24-OD-pin-cage-left-angle-view

·  Timken TRB 2TS-DM



 DOWNLOADS 

Bearing Life Calculation Tool

Bearing Dimensional Tolerances

Tools and Guides for Engineers



 NEW PRODUCT OFFERING 


TimkenWirelessSensor
Timken® Wireless Sensor and Monitoring Solution

timken-2TS-DM-24-OD-pin-cage-top-angle-view
Tapered Roller Bearings - 2TS (Matched Bearing Assembly)

Add To Cart Request Quote
<