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12CB040040 RND

Coupling Size: 12; Coupling Style: Miniature; Coupling Type: Flexible Disc; Horsepower [max]: 2.6 hp; Speed [max]: 150,000 rpm; Continuous Torque Rating [max]: 1.1 in lb; Hub Straight Bore Diameter (Hub 1): 0.1250 in; Hub Straight Bore Diameter (Hub 2): 0
Manufacturer: Rexnord
Manufacturer part number: 12CB040040
Availability: Ships in 3-5 days.
Estimated dates are contingent upon manufacturer stock.
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$324.94 / EA

Product Details

Brand Name

Rexnord Thomas®


The Thomas CB style miniature coupling has both hubs extended to accept two oversized shafts.


Center Member Material:Aluminum Alloy
Continuous Torque Rating Max:1 in lb
Coupling Coating:None
Coupling Size:12
Coupling Style:Miniature
Coupling Type:Flexible Disc
Disc Pack Material:Stainless Steel
Distance Between Shaft Ends:0.4375 in
Hardware Coating:None
Hardware Material:Brass
Horsepower:3 hp
Hub Barrel Outside Diameter Hub 1:0.313 in
Hub Barrel Outside Diameter Hub 2:0.313 in
Hub Bore Fit Hub 1:Clamped
Hub Bore Fit Hub 2:Clamped
Hub Length Hub 1:0.250 in
Hub Length Hub 2:0.250 in
Hub Material Hub 1:Aluminum Alloy
Hub Material Hub 2:Aluminum Alloy
Hub Straight Bore Diameter Hub 1 Nom:0.1250 in
Hub Straight Bore Diameter Hub 2 Nom:0.1250 in
Hub Style Hub 1:Standard
Hub Style Hub 2:Standard
Major Coupling Outside Diameter:0.5000 in
Moment of Inertia:0.00 lb-in2
Number of Keyways Hub 1:0
Number of Keyways Hub 2:0
Number of Setscrews Hub 1:2
Number of Setscrews Hub 2:2
Operational Misalignment Capacity (Angular) [Max]:2.00 °
Operational Misalignment Capacity (Axial) [Max]:0.016 in
Operational Misalignment Capacity (Parallel) [Max]:0.015 in
Overall Coupling Length Nom:0.938 in
Peak Torque Rating:6,888 in lb
Speed Max:150,000 rpm
Tube Outside Diameter:0.31 in