Grove Gear 8050 Catalog

Helical - Inline Quad Reduction Dimensions Style RFN

Single Reduction Reducers

BRAVO ®

LIFTING EYE ON R887, R897 & R8107 ONLY

C

Q

V

VO

FV

BF DIA HOLES

FO

OUTPUT KEY

INPUT KEY

AJ

BRAVO ® Worm - Worm Double Reduction

BD

UY

U

AK

FU

FZ

OUTPUT SHAFT

SA

INPUT SHAFT

FM TAP

OA

M TAP

BB

GA

BRAVO ® Helical - Worm Double Reduction BRAVO ® Accessory Kits

AH

inch mm

Gearcase

Q

Size

GA

OA

SA

AJ

AH

AK

BB

BD

BF

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

2.76

8.46 8.46 215 215

0.16

9.84 250 250 9.84

0.53 14 0.53 14 14 0.53 18 0.69 19 0.75 0.75

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

7.087

8.92 247 9.71 227

8.40 9.44 240 213

4.96 146 5.75 126 7.08 180 151 5.94

RFN857

180

70

4

2.76

0.16 4 0.16

7.087

RFN867

180

70

140 5.51 120 3.93 100 3.15 80 4.72

10.43

13.78 11.81 300 17.74 17.72 451 350

9.055

278 10.93 13.05 331 417 17.98 457 16.42

10.79

RFN877

230

265

274

4

11.81

0.20

12.99

9.843

RFN887

250

300

330

5

15.75

0.19

13.780

16.41

9.45

RFN897

+ 0 -.070

350

400

11.02 280 240

5

417

-.0005 -.0032

15.75

0.20

19.00

13.780

RFN8107

+ 0 -.070

350

400

450

483

19

5

Output Shaft - Inches

1/2-13 x 1.13 1/2-13 x 1.13 M 3/4-10 x 1.61 3/4-10 x 1.61 3/4-10 x 1.61 5/8-11 x 1.38

Size RFN857 RFN867 RFN8107 RFN877 RFN887 RFN897 RFN867 RFN857 Size RFN877 RFN887 RFN8107 RFN897

VO 0.44 0.44 0.67 0.45 0.64 0.70

+ 0.000 - 0.001

1.51 1.51 UY 2.34 2.64 1.78 3.19

U

2.76 N/A V 3.94 4.72 3.15 5.51

KEY

1.375 1.375 1.625 2.875 2.375 2.125

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

High Efficiency Helical - Inline

Gear Reducers

Input Shaft* - Inches

Gearcase/Input

+ 0.000 - 0.001

Model

C

FM

FU

FO

FV

KEY

FZ

N/A N/A

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

0.25 0.25 N/A N/A 0.35 0.35

0.82 0.82 0.95 1.23 1.51 1.51

1.57 1.57 2.25 2.63 3.15 3.15

0.875 1.125 1.375 0.750 0.750 1.375

RFN857 RFN867 RFN8107 RFN877 RFN887 RFN897

19.10 18.06 36.64 34.05 27.48 21.92

1/4-20 x 0.75 3/8-16 x 1.00 1/2-13 x 1.41 1/2-13 x 1.41

3/16 x 3/16 x 2

High Efficiency Helical - Worm

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