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Congress Brand
Single Groove Fixed Bore Pulley
Die Cast
"A" Section

For Use With 3L, 4L, or A Type V-Belts

Light Weight Pulleys

V-Belt Size Definition for Pulleys

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Part # Dayton
Reference

Outside Diameter

Bore Size

150-A-3/8 3X891 1.50" 3/8"
150-A-1/2 3X892 1.50" 1/2"
175-A-3/8 -- 1.75" 3/8"
175-A-1/2 -- 1.75" 1/2"
175-A-5/8 -- 1.75" 5/8"
175-A-3/4 -- 1.75" 3/4"
200-A-3/8 3X894 2.00" 3/8"
200-A-1/2 3X895 2.00" 1/2"
200-A-5/8 3X896 2.00" 5/8"
225-A-3/8 -- 2.25" 3.8"
225-A-1/2 3X898 2.25" 1/2"
225-A-5/8 3X899 2.25" 5/8"
250-A-3/8 -- 2.50" 3/8"
250-A-1/2 3X900 2.50" 1/2"
250-A-5/8 3X900 2.50" 5/8"
275-A-3/8 3LC06 2.75" 3/8"
275-A-1/2 1L837 2.75" 1/2"
275-A-5/8 1L838 2.75" 5/8"
300-A-1/2 -- 3.00" 1/2"
300-A-5/8 3X903 3.00" 5/8"
325-A-1/2 -- 3.25" 1/2"
325-A-5/8 -- 3.25" 5/8"
350-A-1/2 3X906 3.50" 1/2"
350-A-5/8 3X907 3.50" 5/8"
400-A-1/2 3X909 4.00" 1/2"
400-A-5/8 3X910 4.00" 5/8"
450-A-1/2 3X912 4.50" 1/2"
450-A-5/8 3X913 4.50" 5/8"
500-A-1/2 3X915 5.00" 1/2"
500-A-5/8 3X916 5.00" 5/8"
550-A-1/2 -- 5.5" 1/2"
550-A-5/8 -- 5.5" 5/8"
600-A-1/2 3X918 6.00" 1/2"
600-A-5/8 3X919 6.00" 5/8"