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    Lovejoy Rigid Sleeve couplings fit the standards of the industry. These couplings, the simplest type, provide a fixed union between two shafts which are precisely aligned. They are suitable for use in joining any two shafts when flexibility is not required, shaft alignment is maintained and proper bearing support is provided. Bore tolerances are -.000/+.002.
Unit of Measure
Items
Rigid Sleeve Couplings w/o Keyway - Imperial

Rigid Sleeve Couplings without Keyway - Inch (Imperial) Bores

Rigid Sleeve Couplings w/o Keyway - Imperial

Rigid Sleeve Couplings without Keyway - Inch (Imperial) Bores

Rigid Sleeve Couplings w/o Keyway - Imperial

Rigid Sleeve Couplings without Keyway - Inch (Imperial) Bores
Description  N/A SC250-CP-1/4-NKW N/A SC312-CP-5/16-NKW N/A SC375-CP-3/8-NKW
Bore Size  N/A 1/4 in N/A 5/16 in N/A 3/8 in
Type N/A Rigid Coupling
Coupling N/A SC250 N/A SC312 N/A SC375
Material N/A Steel
Bolt Size (Dimension T) N/A 8-32 x 1/8 N/A 8-32 x 1/8 N/A 10-24 x 3/16
Keyway Size (W x D) N/A No Keyway
Weight N/A 0.06 lb N/A 0.06 lb N/A 0.10 lb
Style N/A Rigid
Outside Diameter N/A 0.500 in N/A 0.620 in N/A 0.750 in
Overall Length N/A 0.750 in N/A 1 in N/A 1 in
Color N/A Gray/Metallic
Normal Temperature Range N/A -40 to 1000 ºF
Nominal Torque N/A Determined by Key Stock Material
Bore Type N/A Finished Bore
Max. Speed N/A 3600.00 rpm
Dimension SL N/A 0.190 in4.83 mm N/A 0.250 in6.35 mm N/A 0.250 in6.35 mm
Coupling Type N/A Rigid
UPC Number N/A 14322 N/A 14324 N/A 14326
Cubic inches N/A 0.18750 in³ N/A 0.38440 in³ N/A 0.56250 in³