Linn Gear Co. 1-800-547-2471 Apply Today! Home Products & Services Capabilities About Us Resources Contact Us Why Us All Products / Collars / Steel Shaft Collars These are stock parts — We also have Made-to-Order parts or Contact Us STEEL SHAFT COLLARS 1/8" Through 3" 1 Socket Setscrew Large Sizes 2 Socket Setscrews Solid steel shaft collars from 1/8″ through 6″. 1/8″ through 3″ have 1 socket setscrew. Larger sizes have 2 socket setscrews Catalog Number Bore Size FILTER Standard Package Outside Diameter FILTER Width FILTER Setscrew Size Weight Per Package Steel Shaft Collars - 1/8" Through 3" have 1 Socket Setscrew - Larger Sizes Have 2 Socket Setscrews C125 1/8" 50 .370" .250" No. 6 .30lbs C187 3/16" 50 .430" .250" No. 8 .40lbs C250 1/4" 50 .500" .312" No. 10 .60lbs C312 5/16" 50 .620" .312" No. 10 1.00lbs C375 3/8" 50 .750" .375" 1/4" 1.60lbs C437 7/16" 50 .870" .437" 1/4" 2.60lbs C500 1/2" 50 1.000" .437" 1/4" 3.40lbs C562 9/16" 25 1.000" .437" 1/4" 1.50lbs C625 5/8" 25 1.120" .500" 5/16" 2.30lbs C687 11/16" 25 1.250" .562" 5/16" 3.20lbs C750 3/4" 25 1.250" .562" 5/16" 3.00lbs C812 13/16" 25 1.310" .562" 5/16" 3.10lbs C875 7/8" 25 1.500" .562" 5/16" 4.40lbs C937 15/16" 25 1.500" .562" 5/16" 4.00lbs C1000 1.000" 25 1.620" .625" 5/16" 5.50lbs C1062 1 1/16" 25 1.750" .625" 5/16" 6.40lbs C1125 1 1/8" 25 1.750" .625" 5/16" 5.90lbs C1187 1 3/16" 25 2.000" .687" 3/8" 9.50lbs C1250 1 1/4" 25 2.000" .687" 3/8" 8.80lbs C1312 1 5/16" 25 2.120" .687" 3/8" 10.10lbs C1375 1 3/8" 25 2.120" .750" 3/8" 10.30lbs C1437 1 7/16" 25 2.250" .750" 3/8" 11.90lbs C1500 1 1/2" 25 2.250" .750" 3/8" 11.20lbs C1562 1 9/16" 10 2.500" .812" 3/8" 6.60lbs C1625 1 5/8" 10 2.500" .812" 3/8" 6.20lbs C1687 1 11/16" 10 2.500" .812" 3/8" 5.90lbs C1750 1 3/4" 10 2.620" .875" 1/2" 7.10lbs C1875 1 7/8" 10 2.750" .875" 1/2" 7.50lbs C1937 1 15/16" 10 3.000" .875" 1/2" 9.80lbs C2000 2.000" 10 3.000" .875" 1/2" 9.30lbs C2125 2 1/8" 5 3.000" .875" 1/2" 4.10lbs C2187 2 3/16" 5 3.250" .937" 1/2" 5.80lbs C2250 2 1/4" 5 3.250" .937" 1/2" 5.40lbs C2312 2 5/16" 5 3.250" .937" 1/2" 5.20lbs C2375 2 3/8" 5 3.250" .937" 1/2" 4.90lbs C2437 2 7/16" 5 3.500" 1.000" 1/2" 6.70lbs C2500 2 1/2" 5 3.500" 1.000" 1/2" 6.30lbs C2562 2 9/16" 5 3.750" 1.000" 1/2" 7.90lbs C2625 2 5/8" 5 4.000" 1.125" 1/2" 10.90lbs C2687 2 11/16" 5 4.000" 1.125" 1/2" 10.40lbs C2750 2 3/4" 5 4.000" 1.125" 1/2" 10.10lbs C2875 2 7/8" 5 4.250" 1.125" 1/2" 11.60lbs C2937 2 15/16" 5 4.250" 1.125" 1/2" 11.20lbs C3000 3.000" 5 4.250" 1.125" 1/2" 10.80lbs C3125 3 1/8" 2 4.430" 1.250" 5/8" 5.30lbs C3187 3 3/16" 2 4.430" 1.250" 5/8" 5.10lbs C3250 3 1/4" 2 4.430" 1.250" 5/8" 4.90lbs C3375 3 3/8" 2 4.680" 1.250" 5/8" 5.60lbs C3437 3 7/16" 2 4.680" 1.250" 5/8" 5.40lbs C3500 3 1/2" 2 4.680" 1.250" 5/8" 4.50lbs C3625 3 5/8" 2 4.930" 1.250" 5/8" 6.00lbs C3687 3 11/16" 2 4.930" 1.250" 5/8" 5.70lbs C3750 3 3/4" 2 4.930" 1.250" 5/8" 5.50lbs C3875 3 7/8" 2 5.180" 1.250" 5/8" 6.30lbs C3937 3 15/16" 2 5.180" 1.250" 5/8" 6.10lbs C4000 4.000" 1 5.430" 1.250" 5/8" 3.60lbs C4187 4 3/16" 1 5.430" 1.250" 5/8" 3.20lbs C4250 4 1/4" 1 5.680" 1.250" 5/8" 3.80lbs C4437 4 7/16" 1 6.180" 1.375" 5/8" 5.40lbs C4500 4 1/2" 1 6.180" 1.375" 5/8" 5.30lbs C4937 4 15/16" 1 6.430" 1.375" 5/8" 5.00lbs C5000 5.000" 1 6.430" 1.375" 5/8" 4.80lbs C5437 5 7/16" 1 6.930" 1.375" 5/8" 5.40lbs C5937 5 15/16" 1 7.500" 1.375" 5/8" 6.10lbs C6000 6.000" 1 7.500" 1.375" 5/8" 5.90lbs Parts Manufactured Sprockets Gears Bushings Collars Tapered Keys Manufacture Services Altered Gears & Sprockets Custom manufactured parts Part Identification Resources How gears are made FAQ for Linn Gear Job Opportunities Location & Contact Linn Gear Co. Tel. (541)259-1211 100 N. 8th Street Fax (541)259-1299 P.O. Box 397 Toll Free 1-800-547-2471 Lebanon, OR 97355 © 2021 Contact Us Marketing Contacts Site Map