Grove Gear Products Catalog 8050

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NH Series Dimensions Styles: BLMQ, BLM, BL

TORQUE LIMITING DESIGN

Features H No external parts to align, assemble, or adjust for easy installation. H Pre-set to your torque limit for reduced installation time. H Clutch slips automatically to reduce costly downtime and shock damage. H When overload is removed the reducer returns to normal operation without having to reset the clutch. H Internal slip clutch runs in oil bath for longer life, rust prevention and less maintenance. H Lifetime torque setting eliminates the need for frequent adjustments. H Easily adjusted in the field, eliminating the need for factory re-calibration.

Single Reduction

Worm Gear Reducers

Double Reduction

Worm - Worm Gear Reducers

STYLE BLMQ, BLM, BL DIMENSIONS (Inches)

T

U

H

Input Key i

Output

Size

A

B

C CD D

F

G

I

J

K

L

LL

M N O

+0.000 +0.000 -0.0015 -0.0015

Key

Tap Size

Depth

NH818 2.56 4.50 5.44 1.75 2.06 1.88 0.94 5/16-18 UNC .63 3.24 3.75 1.88 4.45 3.60 1.76 4.75 2.94 1.000 0.625 3/16 X 1.38 1/4 X 1.75 NH824 2.94 5.25 6.88 2.38 2.69 2.13 1.06 3/8-16 UNC .69 3.77 4.00 2.00 5.51 3.78 2.38 4.88 2.91 1.000 0.750 3/16 X 1.63 1/4 X 1.75

Double Reduction

Motor Mounting Dimensions

Helical - Worm Gear Reducers

NEMA DIMENSIONS (Inches)

NEMA DIMENSIONS (Inches)

LM

L1

LQ

LQ1

RQ

Frame AJ AK BD BE BE1 Bore Keyway u

BF b

Dia.

Size

48CZ 56C/

180TC/ 250TC 48CZ/

180TC 210TC 250TC 48CZ/

180TC 210TC 250TC

140TC 210TC

56C/140TC

56C/140TC

48CZ 3.75 3.00 4.36 0.38 N/A 0.500 1/8 X 1/16 0.28 5.88 4.50 6.50 0.38 N/A 0.625 3/16 X 3/32 0.41 140TC 5.88 4.50 6.50 0.38 N/A 0.875 3/16 X 3/32 0.41 180TC 7.25 8.50 9.00 N/A 0.50 1.125 1/4 X 1/8 0.53 210TC 7.25 8.50 9.00 N/A 0.50 1.375 5/16 X 5/32 0.53 56C

NH818

6.26 6.70 N/A N/A 4.09 N/A N/A N/A 3.59

N/A N/A N/A 4.56 N/A N/A

WASHGUARD ® Reducers NH824

5.06 N/A N/A 4.09 n

N/A 7.76 8.76 N/A 4.63 n

IEC B5 & B3/B5 METRIC DIMENSIONS (Inches) v

IEC B5 & B3/B5 METRIC DIMENSIONS (MM)

and GEAR+MOTOR™ Ratio Multipliers WARNING

LQ1

RQ

Frame

AJ AK BD BE Bore Keyway u

BF TAP OD

Size D63D D71D D80D D90D D100LD/

Dia.

D132D D63D D71D D80D D90D D100LD/ D132D

D112MD

D112MD

D63D D71D D80D

115 95 117 10 11 4 X 2 M8 X 1.25 131 130 110 132 11 14 5 X 2.5 M8 X 1.25 146 165 130 165 15 19 6 X 3 M10 X 1.50 184

NH818 3.25 3.28 3.52 N/A N/A N/A 2.95 2.97 3.21 N/A N/A N/A NH824 N/A 3.72 4.34 N/A N/A N/A N/A 3.46 3.71 N/A N/A N/A

u Keyway width by depth n 48CZ not available v Metric IEC B5 input flange options are available only on quill input styles. i Style BL and BLM only.

CAPACITY RATINGS NH818

NH824

Max.

Max. Input

Output Input

Output

Output

Output

Output To rque

Ratings RPM H.P.

H.P.

Torque H.P.

H.P.

For safety, purchaser or user should provide protective guards over shaft extensions and any couplings, sheaves and belts, sprockets and chains, etc., mounted thereon.

5

350 1.70 1.56 233 1.67 1.52 175 1.37 1.23 117 1.03 .876 87.5 .814 .677 70.0 .665 .537 58.3 .597 .451 43.8 .469 .338 35.0 .377 .258 29.2 .317 .204 21.9 .208 .124 17.5 .141 .077

281 407 442 473 487 483 487 486 465 442 356 277

3.89 3.63 3.47 3.20 3.08 2.81 2.30 2.03 1.83 1.56 1.51 1.25 1.32 1.05 1.04 .778 .847 .602 .674 .466 .455 .288 .307 .180

653 863

7 1/2

10 15 20 25 30 40 50 60 80

1011 1095 1121 1124 1133 1121 1084 1007

GROVE GEAR OE SERIES INTERCHANGE GUIDE

Grove Gear IRONMAN NH Series

Grove Gear OE Series

ULF

BLMQ

ULFC

BLM

UL

BL

830 468

Refer to page 8 for complete interchange guide for original Grove Gear OE Series products.

100

NOTE: All ratings based on 1750 RPM input speed with service factor of 1.0.

Accessories and

Additional Capabilities 92

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