Motor load force ratings – Rockwell Automation MPL-xxxx Low Inertia Servo Motor 215 mm or Larger  User Manual

Page 16

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16 MP-Series Low-inertia Servo Motor with 215 mm or Larger Frame Size

Rockwell Automation Publication MP-IN002D-EN-P - January

Dimensions (continued)

Motor Load Force Ratings

Motors are capable of operating with a sustained shaft load. The load force locations are shown
in the figure and maximum values are in the tables.

Loads are measured in kilograms; pounds are mathematical conversions.

Load Forces on Shaft

The following tables represent 20,000 hour L

10

bearing fatigue life at various loads and speeds.

This 20,000 hour life does not account for possible application-specific life reduction that can
occur due to bearing grease contamination from external sources.

Motor
Cat. No.

LB

(1)

mm (in.)

(1)

For motors with a brake, for example MPL-Bxxx-xxx4AA, add to MPL-B6xx dimensions LB, LD. and LE: 108.0 mm (4.25 in.); to MPL-B8xx
dimensions LB, LD. and LE:107.9 mm (4.26 in.); and to MPL-B9xx dimensions LB, LD 127.0 mm (5.0 in.).

LD

(1)

mm (in.)

LE

(1)

mm (in.)

M

mm (in.)

N

(2)

mm (in.)

(2)

Tolerance for the dimension is MPL-B6xx +0.014, -0.011 mm, (+0.0005, -0.0005 in.); MPL-B8xx +0.016, -0.013 mm, (+0.0006, -0.0005 in.);
MPL-B9xx +0.016, -0.013 mm, (+0.0005, -0.0006 in.).

P

mm (in.)

S

(3)

mm (in.)

(3)

Tolerance for the dimension is MPL-B6xx +0.43 mm (±0.008 in.); MPL-B8xx and MPL-B9xx +0.52 mm (±0.010 in.).

T

mm (in.)

Shaft End
Threaded Hole

mm (in.)

MPL-B640

223.8
(8.81)

183.6
(7.23)

112.5
(3.15)

215.0
(8.465)

180.0
(7.0867)

184.9
(7.28)

14.50
(0.579)

3.73
(0.147)

M12 x 1.75- 6H
thread depth
28 (1.10)

MPL-B660

274.6
(10.81)

234.4
(9.23)

163.3
(6.43)

MPL-B680

325.4
(12.81)

285.2
(11.23)

214.1
(8.43)

MPL-B860

284.4
(17.45)

242.6
(9.55)

171.4
(6.75)

265.0
(10.433)

230.0
(9.0551)

230.0
(9.25)

3.86
(0.152)

M16 x 2- 6H
thread depth
36 (1.42)

MPL-B880

335.2
(13.20)

293.4
(11.55)

222.2
(8.75)

MPL-B960

293.3
(11.55)

248.9
(9.80)

177.9
(7.0)

300.0
(11.811)

250.0
(9.8426)

266.7
(10.50)

18.50
(0.738)

4.88
(0.192)

M16 x 2- 6H
thread depth
36 (1.42)

MPL-B980

344.1
(13.55)

299.7
(11.80)

228.7
(9.0)

Axial Load Force

Radial load force applied at center of shaft extension.

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