Grove Gear 8050 Catalog

Helical - Inline Quad Reduction Dimensions Style RBN

BRAVO ®

LIFTING EYE ON R887, R897 & R8107 ONLY

C

Q

AD

X

Single Reduction Reducers

FV

V

K

FO

VO

INPUT KEY

OUTPUT KEY

OA

INPUT SHAFT

UY

M TAP

FU

FZ

OUTPUT SHAFT

U

BRAVO ® Worm - Worm D

FM TAP

G

Double Reduction

J

BA

BC

B F

H DIA HOLES

E

A

inch mm

Gearcase

240 8.40 213 9.44 Q

Size

OA

G

J

BA

D

E

F

H

A

AD

B

K

115 4.53 130 5.12 7.09 180 140 5.51 9.84 250 8.86 225

N/A 6 0.24 N/A N/A N/A N/A N/A 11 0.35 9 0.45

3.94 3.94 100 100 140 5.51 115 4.53 6.30 160 185 7.28

8.48 215 9.08 231

5.32 5.91 150 135 6.69 170 8.47 215

7.68 195 165 6.50

0.53 14 14 0.53 0.91 19 0.75 18 0.69

7.48 8.14 207 190

7.93 216 8.50 201 9.97

7.87 9.13 232 200 245 9.65

0.75

2.18 61 2.39 55 55 2.16 74 2.93 90 4.00 102 3.55

BRAVO ® Helical - Worm

RBN857

19

0.82 21 0.98 35 1.38 38 1.50 28 1.11 25

Double Reduction BRAVO ® Accessory Kits RBN867 RBN897 RBN8107 RBN887 RBN877 Size RBN857 RBN867

13.42 288 11.34 220 8.66

12.21 14.57 310 370 10.24 260 205 8.07

10.47

19.00 16.41 417 12.99 330 274 10.79

253

266

11.96

12.59

13.04

304

320

331

9.84 250

16.08 14.00 356

14.37

15.84

341

365

23

402

387 15.25

17.32

16.78

26 1.02

11.42

408

440

290

426

483

Output Shaft - Inches

+ 0.000 - 0.001

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

VO 0.44 0.44 0.67 0.45 0.64 0.70

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

X 2.83 2.94 5.62 3.27 4.06 4.95

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

1.375 1.375 1.625 2.875 2.375 2.125

RBN8107 RBN877 RBN887 RBN897

Gearcase/Input

Input Shaft* - Inches

+ 0.000 - 0.001

FM

Model

RBN867 RBN857 Size RBN887 RBN8107 RBN897

FO

BC

C

FU

FV

KEY

FZ

N/A N/A

RBN867 RBN857 RBN877 RBN887 RBN8107 RBN897

0.875 1.125 0.750 0.750

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

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

19.10 18.06 36.64 34.05 27.48 21.92

7.62 7.48

Gear Reducers RBN877

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

11.73 15.54 14.79 9.32

High Efficiency Helical - Inline 1.375

1.375

* See Page 444 For Additional Shaft Diameters Available.

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

www.grovegear.com

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