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Imperial Sizes
Bearings Shaft Collars
Browse our comprehensive selection of imperial shaft collars manufactured by CHESS, designed for demanding industrial applications. Our range includes 22 precision-engineered collars with inside diameters from 3/16" (0.187") to 3" and outside diameters up to 4.25", all featuring zinc-plated finishes for superior corrosion resistance. Each collar is manufactured from EN8 steel and comes complete with industry-standard UNC or BSW screwsets for secure shaft mounting. The collars offer widths from 0.25" to 1.375" to suit various mechanical requirements. These interchangeable shaft collars are ideal for positioning, spacing, and load bearing applications in industrial machinery and power transmission systems. All products are stocked in our warehouse for quick delivery, with technical support available for specification assistance.
Inside Dia
3.000inch
3.000inch
Material
Zinc Plated
Zinc Plated
Outside Dia
4.250inch
4.250inch
Setscrew
5/8 BSW
5/8 BSW
Width
1.375inch
1.375inch
Inside Dia
2.725inch
2.725inch
Material
Zinc Plated
Zinc Plated
Outside Dia
3.750inch
3.750inch
Setscrew
5/8 BSW
5/8 BSW
Width
1.375inch
1.375inch
Inside Dia
1.500inch
1.500inch
Material
Stainless 304
Stainless 304
Outside Dia
2.250inch
2.250inch
Setscrew
3/8 BSW or 3/8-16 UNC
3/8 BSW or 3/8-16 UNC
Type
Solid/Unsplit
Solid/Unsplit
Width
1.000inch
1.000inch
Inside Dia
2.500inch
2.500inch
Material
Zinc Plated
Zinc Plated
Outside Dia
3.500inch
3.500inch
Setscrew
1/2 BSW
1/2 BSW
Width
1.187inch
1.187inch
Inside Dia
1.250inch
1.250inch
Material
Stainless 304
Stainless 304
Outside Dia
2.000inch
2.000inch
Setscrew
3/8 BSW or 3/8-16 UNC
3/8 BSW or 3/8-16 UNC
Type
Solid/Unsplit
Solid/Unsplit
Width
0.875inch
0.875inch
Inside Dia
2.250inch
2.250inch
Material
Zinc Plated
Zinc Plated
Outside Dia
3.250inch
3.250inch
Setscrew
1/2 BSW
1/2 BSW
Width
1.125inch
1.125inch
Inside Dia
1.000inch
1.000inch
Material
Stainless 304
Stainless 304
Outside Dia
1.625inch
1.625inch
Setscrew
5/16 BSW or 5/16-18 UNC
5/16 BSW or 5/16-18 UNC
Type
Solid/Unsplit
Solid/Unsplit
Width
0.750inch
0.750inch
Inside Dia
2.000inch
2.000inch
Material
Zinc Plated
Zinc Plated
Outside Dia
3.000inch
3.000inch
Setscrew
1/2 BSW
1/2 BSW
Width
1.062inch
1.062inch
Inside Dia
1.250inch
1.250inch
Material
Stainless 304
Stainless 304
Outside Dia
2.062inch
2.062inch
Setscrew
1/4-28 UNF
1/4-28 UNF
Type
Double Split
Double Split
Width
0.500inch
0.500inch
Inside Dia
1.875inch
1.875inch
Material
Zinc Plated
Zinc Plated
Outside Dia
3.000inch
3.000inch
Setscrew
7/16 BSW
7/16 BSW
Width
1.000inch
1.000inch
Inside Dia
0.750inch
0.750inch
Material
Stainless 304
Stainless 304
Outside Dia
1.375inch
1.375inch
Setscrew
5/16 BSW or 5/16-18 UNC
5/16 BSW or 5/16-18 UNC
Type
Solid/Unsplit
Solid/Unsplit
Width
0.687inch
0.687inch
Inside Dia
1.750inch
1.750inch
Material
Zinc Plated
Zinc Plated
Outside Dia
2.625inch
2.625inch
Setscrew
7/16 BSW
7/16 BSW
Width
1.000inch
1.000inch
Inside Dia
0.500inch
0.500inch
Material
Stainless 304
Stainless 304
Outside Dia
1.000inch
1.000inch
Setscrew
1/4 BSW or 1/4-20 UNC
1/4 BSW or 1/4-20 UNC
Type
Solid/Unsplit
Solid/Unsplit
Width
0.437inch
0.437inch
Inside Dia
0.375inch
0.375inch
Material
Stainless 304
Stainless 304
Outside Dia
0.750inch
0.750inch
Setscrew
10-32 UNF
10-32 UNF
Type
Solid/Unsplit
Solid/Unsplit
Width
0.375inch
0.375inch
Inside Dia
1.625inch
1.625inch
Material
Zinc Plated
Zinc Plated
Outside Dia
2.500inch
2.500inch
Setscrew
7/16 BSW
7/16 BSW
Width
1.000inch
1.000inch
Inside Dia
1.500inch
1.500inch
Material
Zinc Plated
Zinc Plated
Outside Dia
2.250inch
2.250inch
Setscrew
3/8 BSW
3/8 BSW
Width
1.000inch
1.000inch
Inside Dia
1.375inch
1.375inch
Material
Zinc Plated
Zinc Plated
Outside Dia
2.250inch
2.250inch
Setscrew
3/8 BSW
3/8 BSW
Width
0.875inch
0.875inch
Inside Dia
1.250inch
1.250inch
Material
Zinc Plated
Zinc Plated
Outside Dia
2.000inch
2.000inch
Setscrew
3/8 BSW
3/8 BSW
Width
0.875inch
0.875inch
Inside Dia
1.125inch
1.125inch
Material
Zinc Plated
Zinc Plated
Outside Dia
1.750inch
1.750inch
Setscrew
3/8 BSW
3/8 BSW
Width
0.750inch
0.750inch
Inside Dia
1.000inch
1.000inch
Material
Zinc Plated
Zinc Plated
Outside Dia
1.625inch
1.625inch
Setscrew
5/16 BSW
5/16 BSW
Width
0.750inch
0.750inch
Inside Dia
0.875inch
0.875inch
Material
Zinc Plated
Zinc Plated
Outside Dia
1.500inch
1.500inch
Setscrew
5/16 BSW
5/16 BSW
Width
0.687inch
0.687inch
Inside Dia
0.250inch
0.250inch
Material
Stainless 304
Stainless 304
Outside Dia
0.500inch
0.500inch
Setscrew
8-32 UNF
8-32 UNF
Type
Solid/Unsplit
Solid/Unsplit
Width
0.281inch
0.281inch
Inside Dia
0.750inch
0.750inch
Material
Zinc Plated
Zinc Plated
Outside Dia
1.375inch
1.375inch
Setscrew
5/16 BSW
5/16 BSW
Width
0.687inch
0.687inch
Inside Dia
0.625inch
0.625inch
Material
Zinc Plated
Zinc Plated
Outside Dia
1.250inch
1.250inch
Setscrew
1/4 BSW
1/4 BSW
Width
0.562inch
0.562inch
Inside Dia
0.500inch
0.500inch
Material
Zinc Plated
Zinc Plated
Outside Dia
1.000inch
1.000inch
Setscrew
1/4 BSW
1/4 BSW
Width
0.437inch
0.437inch
Inside Dia
0.437inch
0.437inch
Material
Zinc Plated
Zinc Plated
Outside Dia
1.000inch
1.000inch
Setscrew
1/4 BSW
1/4 BSW
Width
0.437inch
0.437inch
Inside Dia
0.375inch
0.375inch
Material
Zinc Plated
Zinc Plated
Outside Dia
0.750inch
0.750inch
Setscrew
10-32 UNC
10-32 UNC
Width
0.375inch
0.375inch
Inside Dia
0.312inch
0.312inch
Material
Zinc Plated
Zinc Plated
Outside Dia
0.625inch
0.625inch
Setscrew
10-32 UNC
10-32 UNC
Width
0.312inch
0.312inch
Inside Dia
0.187inch
0.187inch
Material
Zinc Plated
Zinc Plated
Outside Dia
0.500inch
0.500inch
Setscrew
8-32 UNC
8-32 UNC
Width
0.250inch
0.250inch
Inside Dia
0.250inch
0.250inch
Material
Zinc Plated
Zinc Plated
Outside Dia
0.500inch
0.500inch
Setscrew
8-32 UNC
8-32 UNC
Width
0.281inch
0.281inch
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