Three Groove Sheaves – COMBINATION GROOVE for “4L” or “A”Belts and “5L” or “B” Belts
Stock Sizes—Finished Bore
 

Part
No.		DIAMETERSTypeSTOCK BORES MARKED “X”Wt.
Lbs.
Out-sideDatum
“A”		Datum
“B”		5/8″7/8″1″1 1/8″FLP
3BK252.50″1.90″2.30″1××––2 1/23″1/21.70
3BK272.702.102.501×××–2 1/231/22.10
3BK282.952.202.601××××2 1/231/22.50
3BK303.152.402.801–×××2 1/231/23.00
3BK323.352.603.001–×××2 1/231/23.40
3BK343.552.803.201–×××2 1/231/23.80
3BK363.753.003.401–×××2 1/231/24.30
3BK403.953.203.601–×××2 1/231/24.70