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Bunting VESPEL®

VESPEL® -Top of the line machined and Vespel® bearings provide capabilities of high speed, load, and temperature. Bunting Bearings offers a wide range of sizes as standard off-the-shelf, along with a full range of special, made to order sizes.
Vespel® bearings are made from polyimide resins to combine the best characteristics of plastics, metals, and ceramics. Vespel® resist wear and fight creep; properties that allow them to survive a broad range of conditions, particularly where elevated speeds and high loads present problems.
Precision machined sizes hold close tolerances.

Temperature range: -400°F/+550°F

Intermittently up to +900°F

Unit of Measure
Stock Item?1 N/A Yes

Nominal Size I.D.

N/A 1/4 in

Nominal Size O.D.

N/A 3/8 in

I.D. Min

N/A 0.2545 in

I.D. Max

N/A 0.2555 in

O.D. Min

N/A 0.3760 in

O.D. Max

N/A 0.3770 in

Length (±0.005in)

N/A 3/8 in

Flange O.D. (±0.005in)

N/A 1/2 in

Flange Thickness (±0.002in)

N/A 1/16 in

Recommended Housing Bore

N/A 0.3750 in

Min. Temperature

N/A -400 ºF

Max. Temperature

N/A 550 intermittent to 900 ºF

P Value (Max.)

N/A 4900

V Value (Max.)

N/A 3000

PV Value (Max.)

N/A 300000
  • 1 Minimum quantities may apply to non-stock items, please contact customer service for more information.