Industrial replacement referenceSource-backed records · No compatibility guesswork

G1000 60 Hz Imperial · source page 100

SK 172.1 + 71 LP/4

0.5 hp NORDBLOC.1 helical catalog selection at 24.8:1, with published output 70 rpm and 453 lb-in.

Total ratio24.8:1Output speed70 rpmOutput torque453 lb-inOfficial source ↗

Published configuration

G1000 selection record

NORD manufacturer catalog
Gear unit
SK 172.1
Motor type
71 LP/4
Input power
0.5 hp
Total ratio
24.8:1
Output speed
70 rpm
Output torque
453 lb-in
Service factor
1.8
AGMA class
II
Published weight
24.9 lb
Dimension reference
B83
Source page
100

Replacement screening

What still needs verification

No inferred interchange
Shaft / output interfaceConfirm solid or hollow shaft details, diameter, key, shrink-disc or bushing arrangement, output side, and usable geometry.
Mounting / dimensionsUse the referenced dimensional drawing and verify foot or flange geometry, center height, envelope, and installation position.
Motor / electricalVerify voltage, frequency, frame, efficiency class, brake or encoder options, connection, and controls.
Duty / environmentConfirm service factor, starts, radial/axial loads, lubrication, ambient conditions, washdown, and hazardous-area requirements.

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