Lovejoy L Type · JW-12
UPC 68514412303
Exact manufacturer hub-selection record for a L190 L Type jaw coupling hub.
Published hub evidence
Exact UPC selection record
- Lovejoy UPC number
- 68514412303
- Published table suffix
- 12303
- Coupling size
- L190
- Bore
- 2 in
- Keyway
- 1/2 x 1/4
- Source section
- JW-12
- Published row text
- 2 1/2 x 1/4 — — — — — — — — — — 12303 12439 12596
Verification boundary
What still needs to match
Hub identityConfirm the complete Lovejoy UPC and coupling size rather than relying on bore alone.
Shaft interfaceVerify bore tolerance, keyway, shaft fit, set screw arrangement, and any required L-LOC or special hub feature.
Coupling assemblyMatch the second hub, elastomer/spider material, torque rating, speed limit, and shaft separation.
Duty and environmentCheck alignment, shock loading, chemical exposure, temperature, guarding, and current Lovejoy documentation.
Related Lovejoy hubs
Same coupling size
L190 · inch68514412285Bore 3/4 · No KeywayL190 · inch68514437250Bore 3/4 · 1/8 x 1/16L190 · inch68514438468Bore 3/4 · 3/16 x 3/32L190 · inch68514437252Bore 13/16 · 3/16 x 3/32L190 · inch68514412286Bore 7/8 · 3/16 x 3/32L190 · inch68514437256Bore 7/8 · 1/4 x 1/8L190 · inch68514412287Bore 15/16 · 1/4 x 1/8L190 · inch68514412288Bore 1 · 1/4 x 1/8