Two Groove Sheaves for “4L” “5L” "A" & “B” Belts

Bearing Distributors, Inc. carries a complete line of high quality FHP, A/B combination, C, 3V, 5V, 8V, variable pitch, and light duty sheaves. Our sheaves incorporate all popular bushing designs in addition to a bored to size product that’s furnished with a standard keyway and set screws. Each cast iron sheave is precision machined, statically balanced, and protected by a baked enamel finish.
2BK_twoGroove_sheave
Click on a Part Number below for detail information. Contact us with questions or Request a Quote.

Part Number OD (inch) 4L+A Pitch 5L+B Pitch Type F (inch) L (inch) P (inch) C (inch) Stock Bores (inch)
2BK25 2.50 1.90 2.30 1 1-3/4 1-31/32 15/32 1/4 1/2, 5/8, 3/4, 7/8
2BK27 2.70 2.10 2.50 1 1-3/4 1-31/32 15/32 1/4 1/2, 5/8, 3/4, 7/8, 1, 1-1/8
2BK28 2.95 2.20 2.60 1 1-3/4 1-31/32 15/32 1/4 1/2, 5/8, 3/4, 7/8, 1, 1-1/8
2BK30 3.15 2.40 2.80 1 1-3/4 1-31/32 15/32 1/4 1/2, 5/8, 3/4, 7/8, 1, 1-1/8, 1-3/8
2BK32 – inch/metric 3.35 2.60 3.00 1 1-3/4 1-31/32 15/32 1/4 5/8, 3/4, 7/8,1, 1-1/8
2BK34 – inch/metric 3.55 2.80 3.20 1 1-3/4 1-31/32 15/32 1/4 5/8, 3/4, 7/8,1, 1-1/8
2BK36- inch/metric 3.75 3.00 3.40 1 1-3/4 1-31/32 15/32 1/4 3/4, 7/8, 1, 1-1/8, 1-3/8
2BK40 -inch/metric 3.95 3.20 3.60 2 1-3/4 1-15/32 15/32 3/4 5/8, 3/4, 7/8, 1, 1-1/8
2BK45 – inch/metric 4.25 3.50 3.90 2 1-3/4 1-15/32 15/32 3/4 1, 1-1/8, 1-3/8
2BK47 – inch/metric 4.45 3.70 4.10 2 1-3/4 1-15/32 15/32 3/4 7/8, 1, 1-1/8, 1-3/8
2BK50 – inch/metric 4.75 4.00 4.40 2 1-3/4 1-15/32 15/32 3/4 3/4, 1, 1-1/8, 1-3/8
2BK52 – inch/metric 4.95 4.20 4.60 3 1-3/4 1-15/32 15/32 1/8 5/8, 7/8, 1, 1-1/8, 1-3/8
2BK55 -inch/metric 5.25 4.50 4.90 3 1-3/4 1-15/32 15/32 1/8 1-1/8, 1-3/8
2BK57 - inch/metric 5.45 4.70 5.10 3 1-3/4 1-15/32 15/32 1/8 1, 1-1/8, 1-3/8
2BK60 – inch/metric 5.75 5.00 5.40 3 1-3/4 1-15/32 15/32 1/8 3/4, 7/8, 1, 1-1/8, 1-3/8
2BK62 - inch/metric 5.95 5.20 5.60 3 1-3/4 1-15/32 15/32 1/8 1, 1-1/8
2BK65 - inch/metric 6.25 5.50 5.90 3 1-3/4 1-15/32 15/32 1/8 1, 1-1/8, 1-3/8
2BK67- inch/metric 6.45 5.70 6.10 3 1-3/4 1-15/32 15/32 1/8 1, 1-1/8, 1-3/8
2BK70 – inch/metric 6.75 6.00 6.40 3 1-3/4 1-19/32 11/32 1/16 3/4, 1, 1-1/8, 1-3/16, 1-3/8, 1-7-16
2BK80 – inch/metric 7.75 7.00 7.40 3 1-3/4 1-19/32 11/32 1/16 3/4, 1, 1-1/8, 1-3/16, 1-3/8, 1-7-16
2BK90 – inch/metric 8.75 8.00 8.40 3 1-3/4 1-19/32 11/32 1/2 3/4, 1, 1-1/8, 1-3/16, 1-3/8, 1-7-16
2BK100 – inch/metric 9.75 9.00 9.40 3 1-3/4 1-19/32 11/32 1/2 3/4, 1, 1-3/16, 1-3/8, 1-7-16
2BK110 – inch/metric 10.75 10.00 10.40 3 1-3/4 1-19/32 11/32 1/2 1, 1-3/16, 1-3/8, 1-7/16
2BK120 – inch/metric 11.75 11.00 11.40 3 1-3/4 1-19/32 11/32 1/2 1, 1-3/16, 1-3/8, 1-7/16
2BK130 – inch/metric 12.75 12.00 12.40 3 1-3/4 1-19/32 11/32 1/2 1, 1-3/16, 1-3/8, 1-7/16
2BK140- inch/metric 13.75 13.00 13.40 3 1-3/4 1-19/32 11/32 1/2 1, 1-3/16, 1-3/8, 1-7/16
2BK160 - inch/metric 15.75 15.00 15.40 3 1-3/4 1-19/32 11/32 1/2 1, 1-3/16, 1-3/8, 1-7/16
2BK190- inch/metric 18.75 18.00 18.40 3 1-3/4 1-19/32 11/32 1/2 1-3/16, 1-1/4, 1-7/16

AK Sheaves are precision machined from gray cast iron, statically balanced, painted with baked enamel finish and individually packaged. Sheaves are furnished with standard keyways & set screws.

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