Two Groove Sheaves for “4L” or “A” Belts and “5L” or “B” Belts
Stock Sizes—Finished Bore
| Part No. | DIAMETERS | Type | STOCK BORES MARKED “X” | DIMENSIONS | Wt Lbs | |||||||||||||
| Out-side | Datum “A” | Datum “B” | 1/2″ | 5/8″ | 3/4″ | 7/8″ | 1″ | 1 1/8″ | 1 3/16″ | 1 3/8″ | 1 7/16″ | F | L | P | C | |||
| 2BK25 | 2.50″ | 1.90″ | 2.30″ | 1 | × | × | × | × | — | — | — | — | — | 1 3/4″ | 1 31/32″ | 15/32″ | 1/4″ | 1.30 |
| 2BK27 | 2.70 | 2.10 | 2.50 | 1 | × | × | × | × | × | — | — | — | — | 1 3/4 | 1 31/32 | 15/32 | 1/4 | 1.60 |
| 2BK28 | 2.95 | 2.20 | 2.60 | 1 | × | × | × | × | × | × | — | — | — | 1 3/4 | 1 31/32 | 15/32 | 1/4 | 1.90 |
| 2BK30 | 3.15 | 2.40 | 2.80 | 1 | × | × | × | × | × | × | — | — | — | 1 3/4 | 1 31/32 | 15/32 | 1/4 | 2.30 |
| 2BK32 | 3.35 | 2.60 | 3.00 | 1 | — | × | — | × | × | × | — | — | — | 1 3/4 | 1 31/32 | 15/32 | 1/4 | 2.60 |
| 2BK34 | 3.55 | 2.80 | 3.20 | 1 | — | × | × | × | × | × | — | — | — | 1 3/4 | 1 31/32 | 15/32 | 1/4 | 2.80 |
| 2BK36 | 3.75 | 3.00 | 3.40 | 1 | — | — | × | × | × | × | — | × | — | 1 3/4 | 1 31/32 | 15/32 | 1/4 | 3.30 |
| 2BK40 | 3.95 | 3.20 | 3.60 | 2 | — | × | × | × | × | × | — | — | — | 1 3/4 | 1 15/32 | 15/32 | 3/4 | 3.30 |
| 2BK45 | 4.25 | 3.50 | 3.90 | 2 | — | — | — | — | × | × | — | × | — | 1 3/4 | 1 15/32 | 15/32 | 3/4 | 3.30 |
| 2BK47 | 4.45 | 3.70 | 4.10 | 2 | — | — | — | × | × | × | — | — | — | 1 3/4 | 1 15/32 | 15/32 | 3/4 | 3.70 |
| 2BK50 | 4.75 | 4.00 | 4.40 | 2 | — | — | × | — | × | × | — | × | — | 1 3/4 | 1 15/32 | 15/32 | 3/4 | 4.10 |
| 2BK52 | 4.95 | 4.20 | 4.60 | 2 | — | — | — | × | × | × | — | × | — | 1 3/4 | 1 15/32 | 15/32 | 3/4 | 4.50 |
| 2BK55 | 5.25 | 4.50 | 4.90 | 2 | — | — | — | — | — | × | — | × | — | 1 3/4 | 1 15/32 | 15/32 | 3/4 | 4.50 |
| 2BK57 | 5.45 | 4.70 | 5.10 | 2 | — | — | — | — | × | × | — | × | — | 1 3/4 | 1 15/32 | 15/32 | 3/4 | 5.10 |
| 2BK60 | 5.75 | 5.00 | 5.40 | 3 | — | — | × | × | × | × | — | × | — | 1 3/4 | 1 15/32 | 15/32 | 3/4 | 4.90 |
| 2BK62 | 5.95 | 5.20 | 5.60 | 3 | — | — | — | — | × | × | — | × | — | 1 3/4 | 1 15/32 | 15/32 | 3/4 | 4.80 |
| 2BK65 | 6.25 | 5.50 | 5.90 | 3 | — | — | — | — | × | × | — | × | — | 1 3/4 | 1 15/32 | 15/32 | 3/4 | 5.00 |
| 2BK67 | 6.45 | 5.70 | 6.10 | 3 | — | — | — | — | × | × | — | × | — | 1 3/4 | 1 15/32 | 15/32 | 3/4 | 5.00 |
| 2BK70 | 6.75 | 6.00 | 6.40 | 3 | — | — | × | — | × | × | × | × | × | 1 3/4 | 1 19/32 | 11/32 | 1/2 | 6.60 |
| 2BK80 | 7.75 | 7.00 | 7.40 | 3 | — | — | × | — | × | × | × | × | × | 1 3/4 | 1 19/32 | 11/32 | 1/2 | 7.20 |
| 2BK90 | 8.75 | 8.00 | 8.40 | 3 | — | — | × | — | × | × | × | × | × | 1 3/4 | 1 19/32 | 11/32 | 1/2 | 8.40 |
| 2BK100 | 9.75 | 9.00 | 9.40 | 3 | — | — | × | — | × | — | × | × | × | 1 3/4 | 1 19/32 | 11/32 | 1/2 | 9.40 |
| 2BK110 | 10.75 | 10.00 | 10.40 | 3 | — | — | — | — | × | — | × | — | × | 1 3/4 | 1 19/32 | 11/32 | 1/2 | 10.40 |
| 2BK120 | 11.75 | 11.00 | 11.40 | 3 | — | — | — | — | × | — | × | — | × | 1 3/4 | 1 19/32 | 11/32 | 1/2 | 11.80 |
| 2BK130 | 12.75 | 12.00 | 12.40 | 3 | — | — | — | — | × | — | × | — | × | 1 3/4 | 1 19/32 | 11/32 | 1/2 | 14.90 |
| 2BK140 | 13.75 | 13.00 | 13.40 | 3 | — | — | — | — | × | — | × | — | × | 1 3/4 | 1 19/32 | 11/32 | 1/2 | 16.30 |
| 2BK160 | 15.75 | 15.00 | 15.40 | 3 | — | — | — | — | × | — | × | — | × | 1 3/4 | 1 19/32 | 11/32 | 1/2 | 18.00 |
| 2BK190 | 18.75 | 18.00 | 18.40 | 3 | — | — | — | — | — | — | × | — | × | 1 3/4 | 1 19/32 | 11/32 | 1/2 | 23.30 |