Ruland Manufacturing
Ruland Manufacturing JD16/25-92Y Urethane Spider 29 in-lb
Polyurethane jaw coupling spider rated 29 in-lb torque, 92A durometer, fits JC16 and MJC25 hubs
- Yellow 92A polyurethane resists wear
- Handles 29 in-lb torque for reliable power transfer
- Runs up to 8,000 RPM for high-speed use
- Allows 0.005 in parallel and 0.9° angular misalignment
- Fits JC16, JCC16, JS16, JSC16, MJC25, MJCC25, MJS25, MJSC25 hubs
Jaw Coupling Insert for JC16 and MJC25
This polyurethane spider fits jaw coupling hubs sized JC16, JCC16, JS16, JSC16, MJC25, MJCC25, MJS25 and MJSC25. It transmits torque up to 29 in-lb and handles 0.0920 hp at 100 RPM. The insert operates at speeds up to 8,000 RPM and accommodates angular misalignment of 0.9 degrees.
Suits drives needing 92A durometer flexibility
Buyers who need a higher torque rating than 29 in-lb or a different hardness value should look elsewhere. Applications requiring parallel misalignment beyond 0.005 in or axial motion greater than 0.03 in will not be served by this part. The yellow color identifies this specific 92A durometer grade.
29 in-lb maximum torque rating
This single figure defines the load limit for the coupling assembly. Exceeding 29 in-lb risks spider deformation, as the deform torque is 58 lb-in. Select this insert only when the application torque stays at or below this value.
Highlights
- Yellow 92A polyurethane resists wear
- Handles 29 in-lb torque for reliable power transfer
- Runs up to 8,000 RPM for high-speed use
- Allows 0.005 in parallel and 0.9° angular misalignment
- Fits JC16, JCC16, JS16, JSC16, MJC25, MJCC25, MJS25, MJSC25 hubs
Specifications
No published specifications for this item yet.
Questions about this item
Which hub part numbers will the 1 in OD, 92A urethane spider fit?
It fits hubs JC16, JCC16, JS16, JSC16, MJC25, MJCC25, MJS25 and MJSC25 as listed by the manufacturer.
Will the 29 in-lb torque rating and 0.005 in parallel misalignment work with an older JC16 hub I already own?
Yes — the spider is rated for 29 in-lb maximum torque and 0.005 in parallel misalignment on JC16 hubs, matching the original specification.
How can I confirm the spider is running correctly after installation?
At 100 RPM it should transmit 0.0920 hp without exceeding 0.9° angular misalignment or 0.03 in axial motion, and stay below 8,000 RPM.
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