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QD - 50
*Reverse mount only - Bolt heads may interfere with ...
Bore approaching maximum have shallow or no keyway – See standard key diameter (PDF)
Space in addition to length through bore is required for bolt heads and wrench on sprocket side in standard mount and on bushing side in reverse mount. – QD Hub Assembly Types (PDF)
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Catalog Number
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Hub Type
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Bushing Size
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Sprocket Weight
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| A.N.S.I. No. 50 Chain - Q.D.® Bushed Sprockets - 5/8" Pitch - Single Strand - Steel | |||||||
| 50JA13(H)* | B | JA | 2.612 | .500" | 1.250" | 1.000" | .30lbs |
| 50JA14(H) | B | JA | 2.809 | .500" | 1.250" | 1.000" | .40lbs |
| 50JA15(H) | B | JA | 3.006 | .500" | 1.250" | 1.000" | .50lbs |
| 50JA16(H) | B | JA | 3.204 | .500" | 1.250" | 1.000" | .60lbs |
| 50SH17(H)* | B | SH | 3.401 | .500" | 1.687" | 1.250" | .80lbs |
| 50SH18(H) | B | SH | 3.599 | .500" | 1.687" | 1.250" | .90lbs |
| 50SH19(H) | B | SH | 3.797 | .500" | 1.687" | 1.250" | 1.00lbs |
| 50SDS20(H) | B | SDS | 3.995 | .500" | 2.000" | 1.310" | 1.10lbs |
| 50SDS21(H) | B | SDS | 4.193 | .500" | 2.000" | 1.310" | 1.20lbs |
| 50SDS22(H) | B | SDS | 4.392 | .500" | 2.000" | 1.310" | 1.40lbs |
| 50SDS23(H) | B | SDS | 4.590 | .500" | 2.000" | 1.310" | 1.70lbs |
| 50SDS24(H) | B | SDS | 4.788 | .500" | 2.000" | 1.310" | 1.80lbs |
| 50SDS25(H) | B | SDS | 4.987 | .500" | 2.000" | 1.310" | 1.90lbs |
| 50SDS26(H) | B | SDS | 5.185 | .500" | 2.000" | 1.310" | 2.10lbs |
| 50SDS28(H) | B | SDS | 5.582 | .500" | 2.000" | 1.310" | 2.40lbs |
| 50SDS30(H) | B | SDS | 5.979 | .500" | 2.000" | 1.310" | 2.70lbs |
| 50SDS32 | B | SDS | 6.376 | .500" | 2.000" | 1.310" | 3.00lbs |
| 50SDS35 | B | SDS | 6.972 | .500" | 2.000" | 1.310" | 3.60lbs |
| 50SDS36 | B | SDS | 7.171 | .500" | 2.000" | 1.310" | 3.80lbs |
| 50SDS40 | B | SDS | 7.966 | .500" | 2.000" | 1.310" | 4.70lbs |
| 50SDS45 | B | SDS | 8.960 | .500" | 2.000" | 1.310" | 6.00lbs |
| 50SDS48 | B | SDS | 9.556 | .500" | 2.000" | 1.310" | 6.70lbs |
| 50SK54 | B | SK | 10.749 | .500" | 2.625" | 1.870" | 9.30lbs |
| 50SK60 | B | SK | 11.942 | .500" | 2.625" | 1.870" | 11.00lbs |
| 50SK70 | B | SK | 13.931 | .500" | 2.625" | 1.870" | 15.00lbs |
| 50SK72 | B | SK | 14.328 | .500" | 2.625" | 1.870" | 16.00lbs |
| 50SK80 | B | SK | 15.920 | .500" | 2.625" | 1.870" | 20.00lbs |
| 50SF84 | B | SF | 16.715 | .500" | 2.937" | 2.000" | 23.00lbs |
| 50SF96 | B | SF | 19.102 | .500" | 2.937" | 2.000" | 29.00lbs |
| 50SF112 | B | SF | 22.285 | .500" | 2.937" | 2.000" | 39.00lbs |
