Grove Gear 8050 Catalog

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Helical - Inline Triple Reduction Dimensions Style RFQ

BRAVO ®

LIFTING EYE ON R887, R897 & R8107 ONLY

C

Q

V

BE1 BE

VO

(4) HOLES BF

AJ

BF DIA HOLES

AK

Single Reduction Reducers

OUTPUT KEY

BD

BD

DB

OA

AJ

UY

AK

U

BORE

OUTPUT SHAFT

SA

BRAVO ® Worm - Worm

M TAP

BB

Double Reduction

GA

AH

inch mm

Gearcase

GA

AJ

AH

AK

BB

BD

BF

Q

Size

OA

SA

DB

+ 0 - .002 - .003 - .054 + 0 - .002 - .003 - .054

7.087 7.087 180 7.087 5.118 130 5.118 130 180

2.76 2.76 70 2.76 1.97 50 1.97 50 70 140 5.51 120 3.93 100 3.15 80 4.72 70

8.46 215 6.50 165 8.46 215 6.50 165 8.46 215

0.14

9.84 250 250 9.84 250 9.84 7.90 200 7.90 200

0.53 0.47 12 0.47 12 14 0.53 14 0.53 0.53 14 14 18 0.69 19 0.75 0.75

0.43 11 0.43 11 0.43 11 0.43 11 0.43 11 18 0.70 15 0.59 25.4 1.00 26 1.02

8.40 213 7.29 185 8.40 213 7.29 185 9.44 240

9.45 7.08 180 151 5.94 146 5.75 4.96 126 4.96 126 103 4.04 103 4.04

2.87 73 86 3.39 49 1.91 2.36 60 1.91 49 1.91 49 1.91 49 1.50 38 1.50 38

8.92 227 183 7.22 8.92 227 183 7.22 247 9.71

RFQ827

4

0.14

RFQ837

4

- .0004 - .0029 + 0 - .064 - .0004 - .0029 + 0 - .064 - .0004 - .0029 + 0 - .064 + .0001 - .0027 + 0 - .072 - .0005 - .0025 + 0 - .051 - .0005 - .0032 + 0 - .070 - .0005 - .0032 + 0 - .070

0.16

RFQ847

4

0.16

BRAVO ® Helical - Worm

RFQ857

4

0.16 4 0.16

RFQ867

Double Reduction BRAVO ® Accessory Kits

180

9.055

13.78 11.81 300 17.74 17.72 451 350

278 10.93 13.05 331 417 17.98 457 16.42

10.43

10.79

RFQ877

230

265

274

4

9.843

11.81

0.20

12.99

RFQ887

250

300

330

5

13.780

0.19

15.75

16.41

RFQ897

350

400

11.02 280 240

5

417

13.780

0.20

15.75

19.00

RFQ8107

350

400

450

19

483

5

Output Shaft - Inches

+ 0.000 - 0.001

U

M

Size

VO

UY

V

Output Key

RFQ847 RFQ837 RFQ857 RFQ827 RFQ867 RFQ8107 RFQ877 RFQ887 RFQ897

1/2-13 x 1.13 3/4-10 x 1.61 3/4-10 x 1.61 3/4-10 x 1.61 5/8-11 x 1.38 1/2-13 x 1.13 3/8-24 x 0.88 3/8-24 x 0.91 3/8-24 x 0.91

1.000 1.250 1.375 1.000 1.375 1.625 2.875 2.375 2.125

1/4 x 1/4 x 1-1/2 1/4 X 1/4 x 1-11/16 5/16 x 5/16 x 1-3/4 1/4 x 1/4 x 1-1/2 5/16 x 5/16 x 1-3/4 3/4 x 3/4 x 4-1/8 1/2 x 1/2 x 2-5/8 5/8 x 5/8 x 3-3/4 3/8 x 3/8 x 2-1/4

2.76 3.94 4.72 3.15 N/A 2.36 N/A N/A 5.51

0.41 0.40 0.44 0.40 0.44 0.67 0.45 0.64 0.70

1.51 2.34 2.64 1.78 1.51 1.36 1.10 1.10 3.19

NEMA Motor Mounting Dimensions - Inches

Dimension “C”

Frame

AJ

AK

BD

BE

BE1 Bore

Keyway

BF

Size

56C

280TC

182TC 184TC

210TC 250TC

Dia.

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 8.50 N/A 0.50 1.125 1/4 X 1/8 0.53 210TC 7.25 8.50 8.50 N/A 0.50 1.375 5/16 X 5/32 0.53 250TC 7.25 8.50 8.50 N/A 0.50 1.625 3/8 X 3/16 0.53 280TC 9.00 10.50 11.25 N/A 0.55 1.875 1/2 X 1/4 0.55 320TC 11.00 12.50 14.00 N/A 0.55 2.125 1/2 X 1/4 0.65 360TC 11.00 12.50 14.00 N/A 0.55 2375 5/8 X 5/16 0.65 56C

Gear Reducers

RFQ8107 RFQ897 RFQ887 RFQ877 RFQ867 RFQ847 RFQ837 RFQ827

22.30 16.87 14.97 14.10 13.06 13.06 10.68 10.68

-

-

-

- - -

- - - - - -

- - - - - -

High Efficiency Helical - Inline RFQ857

- -

-

28.34 22.98 17.89

28.34 22.98

28.89

-

Dimensions subject to change without notice

Gear Reducers

For safety and to comply with local and national safety codes, the purchaser or user must provide protective guards over all shaft extensions and devices mounted thereon.

WARNING

High Efficiency Helical - Worm

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