Grove Gear 8050 Catalog

Helical - Inline Double Reduction Dimensions Style RFN

Single Reduction Reducers

BRAVO ®

LIFTING EYE ON R887, R897 & R8107 ONLY

C

Q

V

FV

VO

FO

BF DIA HOLES

OUTPUT KEY

INPUT KEY

AJ

OA

BD

BRAVO ® Worm - Worm Double Reduction

UY

AK

FZ

U

FU

SA

OUTPUT SHAFT

INPUT SHAFT

FM TAP

M TAP

BB

GA

AH

inch mm

Gearcase

Q

Size

GA

OA

SA

AJ

BF

AH

AK

BB

BD

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

1.97 1.97 50

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 1.02 25.4 1.00 26

8.40 213 7.29 185 8.40 213 7.29 185 9.44 240

4.96 126 103 4.04 4.96 126 103 4.04 146 5.75 7.08 180 151 5.94 11.02 280 240 9.45

8.92 227 183 7.22 8.92 227 183 7.22 247 9.71

5.118 5.118 130

BRAVO ® Helical - Worm Double Reduction BRAVO ® Accessory Kits

RFN827

4

0.14

RFN837

50

4

130

0.16

2.76

7.087

RFN847

70

4

180

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

0.16

7.087 7.087 180

RFN857

4

0.16 4 0.16

RFN867

180

10.43

13.78 11.81 300 17.74 17.72 451 350

278 10.93 13.05 331 417 17.98 457 16.42

10.79

9.055

RFN877

265

274

4

230

11.81

0.20

12.99

9.843

RFN887

300

330

5

250

15.75

0.19

16.41

13.780

RFN897

400

5

417

350

15.75

0.20

19.00

13.780

RFN8107

350

400

450

19

483

5

Output Shaft - Inches

Size

+ 0.000 - 0.001

M

VO

UY

U

V

KEY

RFN847 RFN837 RFN857 RFN827 RFN867 RFN8107 RFN877 RFN887 RFN897 RFN847 RFN837 RFN827 RFN857 RFN867 RFN8107 RFN877 RFN887 RFN897 Size

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

0.875 1.125 1.875 1.875 1.375 0.875 0.875 0.750 0.625 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

High Efficiency Helical - Inline

Gear Reducers

Input Shaft* - Inches

Gearcase/Input

+ 0.000 - 0.001

FM

Size

C

FO

FU

FV

KEY

FZ

N/A

3/16 x 3/16 x 2 3/16 x 3/16 x 1-1/16 3/16 x 3/16 x 1-1/16

RFN847 RFN837 RFN857 RFN827 RFN867 RFN8107 RFN877 RFN887 RFN897

14.93 13.89 13.89 11.63 11.91 27.92 25.33 21.57 17.64

0.25 N/A N/A 0.60 N/A 0.35 N/A N/A N/A

1.57 2.25 2.25 1.88 2.25 3.15 3.75 3.75 2.63

0.82 0.95 0.95 0.69 0.95 1.51 2.08 2.08 1.23

N/A 1/4-20 x 0.75 1/4-20 x 0.75 1/4-20 x 0.75 1/2-13 x 1.41 5/8-18 x 1.50 5/8-18 x 1.50 3/8-16 x 1.00

3/16 x 3/16 x 2 3/16 x 3/16 x 2

High Efficiency Helical - Worm

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

Gear Reducers

* See Page 444 For Additional Shaft Diameters Available.

Dimensions subject to change without notice

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

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