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Acme Gridley 4" RB-6 - National Acme Group C - Main Toolslide and Stock Stop
Acme Gridley 4" RB6, 6" RB6 Spindle Speed & Feed Gears
(4" RB-6 begin serial BM-88005)
(6" RB-6 begin serial BC-88029)
Feed change gears 96 teeth per set
Spindle speed gears 96 teeth per set
3-1/2"-6 spline, 2-1/2" face, 6/8 pitch helical
| NUMBER OF TEETH |
PART NUMBER | RH OR LH |
| 28 | BM-88239 or NA6-28R | R |
| 30 | BM-88240 or NA6-30R | R |
| 32 | BM-88241 or NA6-32R | R |
| 34 | BM-88242 or NA6-34R | R |
| 36 | BM-88243 or NA6-36R | R |
| 38 | BM-88244 or NA6-38R | R |
| 40 | BM-88245 or NA6-40R | R |
| 42 | BM-88247 or NA6-42R | R |
| 44 | BM-88249 or NA6-44R | R |
| 46 | BM-88251 or NA6-46R | R |
| 48 | BM-88253 or NA6-48R | R |
| 50 | BM-88255 or NA6-50R | R |
| 52 | BM-88258 or NA6-52L | L |
| 54 | BM-88260 or NA6-54L | L |
| 56 | BM-88262 or NA6-56L | L |
| 58 | BM-88264 or NA6-58L | L |
| 60 | BM-88265 or NA6-60L | L |
| 62 | BM-88266 or NA6-62L | L |
| 64 | BM-88267 or NA6-64L | L |
| 66 | BM-88268 or NA6-66L | L |
| 68 | BM-88269 or NA6-68L | L |
| 70 | BM-88270 or NA6-70L | L |
| 72 | BM-88271 or NA6-72L | L |
| 74 | BM-88272 or NA6-74L | L |
| 76 | BM-88276 or NA6-76L | L |
Acme Gridley 2-5/8" RB8, 3-1/2" RA6 RB6, 4" RB6 Spindle Speed & Feed Gears
(2-5/8" RB-8 begin serial 96133)
(3-1/2" RA-6, RB-6 begin serial 94041,
includes 94024 through 94027 and 94031)
(4" RB-6 before serial BM-88005 only)
Feed change gears 104 teeth per set
Spindle speed gears 104 teeth per set
3"-6 spline, 1-1/2" face, 8/10 pitch helical
| NUMBER OF TEETH |
PART NUMBER | RH OR LH |
| 30 | A-94240 or NA35-30R | R |
| 32 | A-94241 or NA35-32R | R |
| 34 | A-94242 or NA35-34R | R |
| 36 | A-94243 or NA35-36R | R |
| 38 | A-94244 or NA35-38R | R |
| 40 | A-94245 or NA35-40R | R |
| 42 | A-94247 or NA35-42R | R |
| 44 | A-94249 or NA35-44R | R |
| 46 | A-94251 or NA35-46R | R |
| 48 | A-94253 or NA35-48R | R |
| 50 | A-94255 or NA35-50R | R |
| 52 | A-94257 or NA35-52R | R |
| 52 | A-94258 or NA35-52L | L |
| 54 | A-94260 or NA35-54L | L |
| 56 | A-94262 or NA35-56L | L |
| 58 | A-94264 or NA35-58L | L |
| 60 | A-94265 or NA35-60L | L |
| 62 | A-94266 or NA35-62L | L |
| 64 | A-94267 or NA35-64L | L |
| 66 | A-94268 or NA35-66L | L |
| 68 | A-94269 or NA35-68L | L |
| 70 | A-94270 or NA35-70L | L |
| 72 | A-94271 or NA35-72L | L |
| 74 | A-94272 or NA35-74L | L |
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We are a FANUC Authorized CNC System Integrator
JEM Automatics & Tooling, Inc.
22845 Hoover Road
Warren, Michigan 48089
v: (586) 755-7300
f: (586) 755-1229
Mon-Fri 8am-5pm
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