All Product Types > ENGINEERED BEARINGS > Ball Bearings > Deep Groove Ball Bearings > Fafnir® Maximum Capacity Ball Bearings (200W, 300W) > Part Number 304W  

Part Number 304W, Fafnir® Maximum Capacity Ball Bearings (200W, 300W)


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Radial ball bearings consist of an inner and outer ring with a cage containing a complement of precision balls. The standard Conrad-type bearing has a deep-groove construction capable of handling radial and axial loads from either direction in versatile designs that permit relatively high-speed operation.

In addition to standard single-row deep groove bearings, Timken offers special designs, including a maximum capacity series and an extra large (XLS) radial series bearing.

Size range: 3 mm - 600 mm (0.12 in. - 23.62 in.) bore





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

Specifications

Design Units

Metric

d - Bore

20 mm

Ball Type

STEEL


Dimensions

D - Outer Diameter

2.0472 in
52
mm

Bearing Width

0.5906 in
15
mm


Basic Load Ratings

Ce - Dynamic Radial Rating1

5320 lbf
23665
N

C0 - Static Radial Rating

2560 lbf
11387
N
1 Based on 106 revolutions of calculated fatigue life.


Factors

Limiting Speed (Grease)

6940 rpm

Limiting Speed (Oil)

8330 rpm


Abutment and Fillet Dimensions

R - Inner Ring "To Clear" Radius1

0.043 in
1.1
mm

r - Outer Ring "To Clear" Radius2

0.043 in
1.1
mm

da - Inner Ring Backing Diameter

0.940 in
23.9
mm

Da - Outer Ring Backing Diameter

1.7700 in
45.00
mm
1 Maximum housing fillet radius that bearing corners will clear.
2 Maximum shaft fillet radius that bearing corners will clear.



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