Shaft Collar
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SPK-28-A, 1-3/4" Two-Piece Shaft Collar, Aluminum

Ruland SPK-28-A, 1-3/4" Two-Piece Shaft Collar, Aluminum  
Product Number:   SPK-28-A
Product Type:   Two-Piece Shaft Collar
Style:   Clamp with Keyway
Material:   2024 Aluminum
Finish:   Bright
Manufacturer:   Ruland Manufacturing
UPC Number   634529135716
Country of Origin:   USA
Line Drawing of the SPK-28-A, 1-3/4" Two-Piece Shaft Collar, Aluminum

Bore B:   1.7500 in
Keyway K:   3/8 in
Outer Diameter OD:   2 3/4 in
Width W:   0.688 in
Clearance Diameter C MAX:   3.046 in
Screw Location R:   1.125 in
Fastening Hardware    
Forged Clamp Screw:   5/16 - 24
Number of Screws:   2 ea
Screw Material:   Alloy Steel
Screw Finish:   Black Oxide
Seating Torque:   325 lb-in
Hex Wrench:   1/4 in
Additional Information    
Bore Tolerance:   +.002 in / +.0005 in
Width Tolerance:   +.003 in / -.010 in
Temperature Range:   -40°F to 225°F
-40°C to 107°C
Weight:   0.22 lbs
Certifications/ Standards    
ISO 9001: 2008   Certified
Conflict Minerals   Compliant
RoHS2:   Compliant
REACH:   Compliant
For warranty/disclaimer information visit www.ruland.com/warranty
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