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Item # BSF6872, PTFE Composite BSF Sleeve (Plain) Bearings


Bunting Teflon® Composite
Sleeve (Plain) Bearings

BSF-A self-lubricating, high load carrying BSF bearing is a sliding bearing which can exert excellent working property in non-lubricated condition. The bearing layer of BSF bearing consists of PTFE/high-tension synthetic fiber liner. The backing layer consists of fiberglass impregnated into epoxy resin for high temperature. BSF bearings are designed for the applications at slow speed and under heavy load. Bearing layer cannot be machined.
Temperature range: -212°F/+350°F
Consult Bunting for standard lengths available.




 Specifications 

Nominal Size I.D.

4 1/4 in

Nominal Size O.D.

4 1/2 in

I.D. Min

4.2600 in

I.D. Max

4.2640 in

O.D. Min

4.5020 in

O.D. Max

4.5040 in

Length (±0.010in)

4 in

Recommended Housing Bore

4.5010 in

Recommended Press Fit

0.0050 in

Recommended Shaft Size

4.2495 in

Min. Temperature

-212 ºF

Max. Temperature

350 ºF

P Value (Max.)

34300

V Value (Max.)

150

PV Value (Max.)

20000



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