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Acme Gridley 8" RPA-8

Acme Gridley 8" RPA6, 8" RPA8 Spindle Speed & Feed Gears

Feed change gears 112 teeth per set
Spindle speed gears 112 teeth per set
3"-6 spline, 2" face, 6/8 pitch helical
Other compatible screw machines below

NUMBER OF
TEETH
PART NUMBER RH OR LH
26 BU-88238 or NA3-26R R
27 BU-88373 or NA3-27R R
28 BU-88239 or NA3-28R R
29 02679-1 or NA3-29R R
30 BU-88240 or NA3-30R R
31 02679-2 or NA3-31R R
32 BU-88241 or NA3-32R R
33 02679-3 or NA3-33R R
34 BU-88242 or NA3-34R R
35 BU-88377 or NA3-35R R
36 BU-88243 or NA3-36R R
37 02679-4 or NA3-37R R
38 BU-88244 or NA3-38R R
39 02679-5 or NA3-39R R
40 BU-88245 or NA3-40R R
41 02679-6 or NA3-41R R
42 BU-88247 or NA3-42R R
43 02679-7 or NA3-43R R
44 BU-88249 or NA3-44R R
45 02679-8 or NA3-45R R
46 BU-88251 or NA3-46R R
47 02679-9 or NA3-47R R
48 BU-88253 or NA3-48R R
49 BU-88384 or NA3-49R R
50 BU-88255 or NA3-50R R
51 02679-10 or NA3-51R R
52 BU-88257 or NA3-52R R
54 A-80387 or NA3-54R R
63 02679-23 or NA3-63R R
69 03062-18 or NA3-69R R
77 A-80400 or NA3-77R R
31 A-80379 or NA3-31L L
39 03062-19 or NA3-39L L
45 02679-22 or NA3-45L L
46 BU-88252 or NA3-46L L
48 BU-88254 or NA3-48L L
51 02679-11 or NA3-51L L
52 BU-88258 or NA3-52L L
53 BU-88386 or NA3-53L L
54 BU-88260 or NA3-54L L
55 02679-12 or NA3-55L L
56 BU-88262 or NA3-56L L
57 02679-13 or NA3-57L L
58 BU-88264 or NA3-58L L
59 02679-14 or NA3-59L L
60 BU-88265 or NA3-60L L
61 02679-15 or NA3-61L L
62 BU-88266 or NA3-62L L
63 02679-16 or NA3-63L L
64 BU-88267 or NA3-64L L
65 02679-17 or NA3-65L L
66 BU-88268 or NA3-66L L
67 02679-18 or NA3-67L L
68 BU-88269 or NA3-68L L
69 02679-19 or NA3-67L L
70 BU-88270 or NA3-68L L
71 02679-20 or NA3-67L L
72 BU-88271 or NA3-68L L
73 BU-88396 or NA3-67L L
74 BU-88272 or NA3-68L L
75 02679-21 or NA3-67L L
76 BU-88273 or NA3-68L L
78 BU-88274 or NA3-67L L
80 BU-88275 or NA3-68L L
82 A-80405 or NA3-67L L

These spindle speed gears and feed change gears are also compatible with the following National Acme screw machines:

Acme Gridley 10" RPA-6 hydraulic chucker
Feed change gears 108 teeth per set
Spindle speed gears 108 teeth per set

Acme Gridley 12" RPA-4 hydraulic chucker
Acme Gridley 12" RPA-6 hydraulic chucker
Feed change gears 112 teeth per set
Spindle speed gears 92 teeth per set

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JEM Automatics is a FANUC Authorized CNC System Integrator

 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
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