Nexen 967161 RPS20 Roller Pinion System zero backlash external tooth ring gear with integral bearing, 115 mm inner diameter, 326 mm outer diameter, and 21.25 in length. B-width design compatible only with B-width roller pinions. Black oxide finish, bare steel construction, rated for 478 Nm max static torque and 240 RPM max output speed. Supports lube-free operation, CE and RoHS certified, with ±40 ArcSec positional accuracy and 0 ArcSec angular backlash.

Angular backlash

0 ArcSec

Approximate life

More Than 30000000, Roller Contacts Per Tooth At Rated Accuracy And Max Life Ratings

Backlash rating

Zero Backlash

Bearing number

178

CE certified

CE

Finish

Black oxide

Gear or segment angle

360

Gear to pinion ratio

1

Inner diameter

115 mm

Length

21.25 in

Materials of construction

Bare Steel

Max ambient temperature (C)

40

Max dynamic axial load at max life and avg torque

41.1 kN

Max dynamic moment load at max life and avg torque

2.4 kNm

Max dynamic radial load at max life and avg torque

26.8 kN

Max dynamic torque at min life

462 Nm

Max dynamic torque for max life

263 Nm

Max output speed

240 RPM

Max static torque

478 Nm

Min ambient temperature (C)

-5

Moment of inertia inner

0.015 kgm

Moment of inertia outer

0.18 kgm

One way positional accuracy

40 ArcSec

One way repeatability

6.7 ArcSec

Outer Diameter

326 mm

Product weight

15.0 kg

Restrictions

This Gear Can Run Without Lubrication, See Specifications in Datasheet

RoHS compliant

RoHS

RPS size

20

RPS width

B-Width, Only Compatible with B-Width Roller Pinions

Tooth orientation

External Teeth