All Product Types > ENGINEERED BEARINGS > Ball Bearings > Angular Contact Ball Bearings  > Fafnir® Single Row Angular Contact Ball Bearings (7200, 7300, 7400) > Part Number 7312WN SU  

Part Number 7312WN SU, Fafnir® Single Row Angular Contact Ball Bearings (7200, 7300, 7400)


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Timken® angular contact ball bearings are designed for combination radial and axial loading. Single-row bearings have high thrust capacity in one direction. Some single-row bearings are specifically designed for duplex mounting in sets for maximum performance.




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

Dimensions

d - Bore

60 mm

D - Outer Diameter

5.1181 in
130
mm

Bearing Width

1.2205 in
31
mm

Contact Angle

40 º


Basic Load Ratings

C0 - Static Radial Rating

14600 lbf
64800
N

Ce - Dynamic Radial Rating1

22800 lbf
101000
N
1 Based on 106 revolutions of calculated fatigue life.


Factors

Limiting Speed (Grease)

3690 rpm

Limiting Speed (Oil)

4220 rpm


Specifications

Ball Type

STEEL

Cage Type

Ball Piloted, Pressed Brass Cage

Design Units

Metric

Manufacturing Part Number

7312WNSU


Abutment and Fillet Dimensions

R - Inner Ring "To Clear" Radius1

0.083 in
2.0
mm

r - Outer Ring "To Clear" Radius2

0.083 in
2
mm

da - Inner Ring Backing Diameter

2.840 in
72.1
mm

Da - Outer Ring Backing Diameter

4.6500 in
118.10
mm
1 Maximum housing fillet radius that bearing corners will clear.
2 Maximum shaft fillet radius that bearing corners will clear.



 DOWNLOADS 

Catalog and Technical Information - Angular Contact Ball Bearing (ACBB)

Timken Angular Contact Ball Bearings Sell Sheet (ACBB)

Bearing Life Calculation Tool

Bearing Dimensional Tolerances

Tools and Guides for Engineers



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