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BU Dry Lubricant Bearings Inch Sizes

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Bunting “BU” Dry Lubricant
Bearings

Bunting’s “BU” product is a composite material, consisting of bonded layers of a steel backing and a porous bronze matrix, impregnated and overlaid with PTFE bearing material. The steel backing provides mechanical strength and the bronze inter-layer, impregnated with PTFE, provides a strong mechanical bond for the lining. During normal operation, a thin film from the PTFE lining is transferred to the opposing surface and maintained there throughout the working life of the bearing.

Bunting’s “BU” is available, from stock, in the form of wrapped bearings in both inch and metric sizes. Thrust washers, strip material and non-standard bearing sizes are also available.

Temperature range: -328°F/+536°F


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Item #

Stock
Item?

Nom Size I.D

Nom Size O.D.

Recommended Housing
Bore Min.

Recommended Housing
Bore Max.

Recommended Shaft
Size Min.

Length

02BU03 Yes 1/8 in 3/16 in 0.1873 in 0.1875 in 0.1236 in 3/16 in
03BU03 Yes 3/16 in 1/4 in 0.2497 in 0.2503 in 0.1858 in 3/16 in
03BU04 Yes 3/16 in 1/4 in 0.2497 in 0.2503 in 0.1858 in 1/4 in
03BU08 Yes 3/16 in 1/4 in 0.2497 in 0.2503 in 0.1858 in 1/2 in
04BU04 Yes 1/4 in 5/16 in 0.3122 in 0.3128 in 0.2481 in 1/4 in
04BU06 Yes 1/4 in 5/16 in 0.3122 in 0.3128 in 0.2481 in 3/8 in
05BU06 Yes 5/16 in 3/8 in 0.3747 in 0.3753 in 0.3106 in 3/8 in
05BU08 Yes 5/16 in 3/8 in 0.3747 in 0.3753 in 0.3106 in 1/2 in
06BU04 Yes 3/8 in 15/32 in 0.4684 in 0.4691 in 0.3731 in 1/4 in
06BU06 Yes 3/8 in 15/32 in 0.4684 in 0.4691 in 0.3731 in 3/8 in
06BU08 Yes 3/8 in 15/32 in 0.4684 in 0.4691 in 0.3731 in 1/2 in
06BU10 Yes 3/8 in 15/32 in 0.4684 in 0.4691 in 0.3731 in 5/8 in
06BU12 Yes 3/8 in 15/32 in 0.4684 in 0.4691 in 0.3731 in 3/4 in
07BU08 Yes 7/16 in 17/32 in 0.5309 in 0.5316 in 0.4355 in 1/2 in
07BU12 Yes 7/16 in 17/32 in 0.5309 in 0.5316 in 0.4355 in 3/4 in
08BU04 Yes 1/2 in 19/32 in 0.5934 in 0.5941 in 0.4980 in 1/4 in
08BU06 Yes 1/2 in 19/32 in 0.5934 in 0.5941 in 0.4980 in 3/8 in
08BU08 Yes 1/2 in 19/32 in 0.5934 in 0.5941 in 0.4980 in 1/2 in
08BU10 Yes 1/2 in 19/32 in 0.5934 in 0.5941 in 0.4980 in 5/8 in
08BU12 Yes 1/2 in 19/32 in 0.5934 in 0.5941 in 0.4980 in 3/4 in
08BU14 Yes 1/2 in 19/32 in 0.5934 in 0.5941 in 0.4980 in 7/8 in
09BU08 Yes 9/16 in 21/32 in 0.6559 in 0.6566 in 0.5605 in 1/2 in
09BU12 Yes 9/16 in 21/32 in 0.6559 in 0.6566 in 0.5605 in 3/4 in
10BU08 Yes 5/8 in 23/32 in 0.7184 in 0.7192 in 0.6230 in 1/2 in
10BU10 Yes 5/8 in 23/32 in 0.7184 in 0.7192 in 0.6230 in 5/8 in
  Results 1 - 25 of 66 1 2 3