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PTFE Composite BSF Sleeve (Plain) Bearings

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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.




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Item #

Nominal Size I.D.

Nominal Size O.D.

I.D. Min

I.D. Max

O.D. Min

O.D. Max

Length (±0.010in)

BSF3234 2 in 2 1/8 in 2.0040 in 2.0080 in 2.1265 in 2.1285 in 2 in
BSF3234 2 in 2 1/8 in 2.0040 in 2.0080 in 2.1265 in 2.1285 in 3 in
BSF3236 2 in 2 1/4 in 2.0040 in 2.0080 in 2.2515 in 2.2535 in 1 1/2 in
BSF3236 2 in 2 1/4 in 2.0040 in 2.0080 in 2.2515 in 2.2535 in 2 in
BSF3236 2 in 2 1/4 in 2.0040 in 2.0080 in 2.2515 in 2.2535 in 3 in
BSF3240 2 in 2 1/2 in 2.0040 in 2.0080 in 2.5020 in 2.5040 in 1 1/2 in
BSF3240 2 in 2 1/2 in 2.0040 in 2.0080 in 2.5020 in 2.5040 in 2 in
BSF3240 2 in 2 1/2 in 2.0040 in 2.0080 in 2.5020 in 2.5040 in 3 in
BSF3640 2 1/4 in 2 1/2 in 2.2540 in 2.2580 in 2.5020 in 2.5040 in 1 1/2 in
BSF3640 2 1/4 in 2 1/2 in 2.2540 in 2.2580 in 2.5020 in 2.5040 in 2 in
BSF3640 2 1/4 in 2 1/2 in 2.2540 in 2.2580 in 2.5020 in 2.5040 in 3 in
BSF3644 2 1/4 in 2 3/4 in 2.2540 in 2.2580 in 2.7520 in 2.7540 in 1 1/2 in
BSF3644 2 1/4 in 2 3/4 in 2.2540 in 2.2580 in 2.7520 in 2.7540 in 2 in
BSF3644 2 1/4 in 2 3/4 in 2.2540 in 2.2580 in 2.7520 in 2.7540 in 3 in
BSF3842 2 3/8 in 2 5/8 in 2.3810 in 2.3850 in 2.6270 in 2.6290 in 1 1/2 in
BSF3842 2 3/8 in 2 5/8 in 2.3810 in 2.3850 in 2.6270 in 2.6290 in 2 in
BSF3842 2 3/8 in 2 5/8 in 2.3810 in 2.3850 in 2.6270 in 2.6290 in 3 in
BSF3846 2 3/8 in 2 7/8 in 2.3810 in 2.3850 in 2.8770 in 2.8790 in 1 1/2 in
BSF3846 2 3/8 in 2 7/8 in 2.3810 in 2.3850 in 2.8770 in 2.8790 in 2 in
BSF3846 2 3/8 in 2 7/8 in 2.3810 in 2.3850 in 2.8770 in 2.8790 in 3 in
BSF4044 2 1/2 in 2 3/4 in 2.5060 in 2.5100 in 2.7520 in 2.7540 in 2 in
BSF4044 2 1/2 in 2 3/4 in 2.5060 in 2.5100 in 2.7520 in 2.7540 in 2 1/2 in
BSF4044 2 1/2 in 2 3/4 in 2.5060 in 2.5100 in 2.7520 in 2.7540 in 3 in
BSF4048 2 1/2 in 3 in 2.5060 in 2.5100 in 3.0020 in 3.0040 in 2 in
BSF4048 2 1/2 in 3 in 2.5060 in 2.5100 in 3.0020 in 3.0040 in 2 1/2 in
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