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Modified Stock Gearing - Boston Gear

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Miter <strong>Gear</strong>s<br />

Steel & Iron – Straight Tooth (1:1 Ratio)<br />

L-Series – Unhardened Steel<br />

HLK Series – Hardened Steel (Teeth only)<br />

OA Series – Cast Iron<br />

APPROXIMATE HP & TORQUE* RATINGS FOR CLASS I SERVICE (Service Factor = 1.0)<br />

Catalog 50 RPM 100 RPM 200 RPM 300 RPM 600 RPM 900 RPM 1200 RPM 1800 RPM<br />

Number Pitch HP Torque HP Torque HP Torque HP Torque HP Torque HP Torque HP Torque HP Torque<br />

L106Y<br />

L117Y 8 .42 519 .79 488 1.4 432 1.9 391 2.8 288 3.4 233 3.8 196 — —<br />

L132Y<br />

OA624Y 6 .46 568 .87 537 1.5 463 2.0 412 3.0 309 3.5 240 — — — —<br />

L123Y 8 .55 679 1.0 618 1.8 556 2.4 494 3.5 360 4.2 288 4.6 237 — —<br />

HLK105YA<br />

HLK115Y 8 .55 679 1.1 679 2.0 618 2.7 556 4.3 443 5.3 364 5.9 304 6.9 237<br />

HLK116Y<br />

L107Y<br />

L118Y<br />

6 .69 852 1.3 803 2.2 679 3.0 618 4.5 463 5.3 364 5.8 299 — —<br />

OA630Y-1 6 .82 1013 1.5 926 2.5 772 3.2 659 4.7 484 — — — — — —<br />

OA525Y 5 .90 1112 1.6 988 2.7 834 3.5 721 5.1 525 — — — — — —<br />

L134Y<br />

L135Y<br />

6 .90 1112 1.6 988 2.8 865 3.7 762 5.4 556 6.4 439 7.0 360 — —<br />

HLK106Y<br />

HLK117Y 8 .80 988 1.6 988 2.8 865 3.7 762 5.7 587 6.8 467 7.6 391 — —<br />

HLK132Y<br />

OA636Y-1 6 1.1 1359 1.9 1174 3.2 988 4.1 844 5.8 597 — — — — — —<br />

HLK123Y 8 1.0 1235 2.0 1235 3.6 1112 4.7 968 7.0 721 8.4 576 9.2 474 — —<br />

L108Y<br />

L122Y 5 1.3 1606 2.4 1482 4.1 1266 5.3 1091 7.6 782 9.0 618 — — — —<br />

L136Y<br />

HLK107Y<br />

HLK118Y<br />

6 1.3 1606 2.6 1606 4.5 1390 6.0 1235 8.0 824 11.0 755 12.0 618 — —<br />

OA424Y 4 1.6 1976 2.8 1729 4.6 1421 5.9 1215 8.2 844 — — — — — —<br />

OA540Y-1 5 2.0 2471 3.5 2162 5.6 1729 7.0 1441 — — — — — — — —<br />

L109Y<br />

L137Y<br />

4 2.3 2841 4.2 2594 7.0 2162 8.7 1791 12.4 1276 14.3 981 — — — —<br />

L138Y 4 3.0 3706 5.3 3274 8.6 2656 10.8 2224 14.6 1503 16.6 1139 — — — —<br />

HLK108Y<br />

HLK122Y<br />

5 2.4 2965 4.9 3026 8.2 2532 10.0 2059 15.0 1544 18.0 1235 — — — —<br />

HLK109Y 4 4.2 5188 8.3 5126 14.0 4324 17.0 3500 25.0 2574 28.0 1922 — — — —<br />

C<br />

Ratings are based on strength calculation. Basic Static Strength Rating, or for hand operation of above gears is approximately 3 times the 100 RPM rating.<br />

NOTE: Ratings to right of heavy line are not recommended, as pitch line velocity exceeds 1000 feet per minute. Use for interpolation purposes only.<br />

*Torque (Lb. Ins.) Output Rating<br />

HP (Input)<br />

P-1930-BG 04/10 <strong>Boston</strong> <strong>Gear</strong> 800-825-6544 81

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