Page 5 of Shaft Collars and Couplings by Ringball Corporation (RBL)

solid rigid couplings rc rc-kw rbl rigid coupling no keyway rc 025 rc 031 rc 037 rc 050 rc 062 rc 075 rc 087 rc 100 rc 112 rc 125 tolerances 001 003 001 004 keyway rbl rigid coupling with keyway rc 025-kw rc 031-kw rc 037-kw rc 050-kw rc 062-kw rc 075-kw rc 087-kw rc 100-kw rc 112-kw rc 125-kw bore b 1/4 5/16 3/8 1/2 5/8 3/4 7/8 1 1-1/8 1-1/4 o.d d 1/2 5/8 3/4 1 1-1/4 1-1/2 1-3/4 2 2-1/8 2-1/4 length l 3/4 1 1 1-1/2 2 2 2 3 3 4 set screw size 10-32 x 1/8 10-32 x 1/8 1/4-20 x 3/16 1/4-20 x 1/4 5/16-18 x 1/4 5/16-18 x 5/16 5/16-18 x 5/16 3/8-16 x 3/8 3/8-16 x 3/8 3/8-16 x 3/8 stanard tolerance dimensions bore bore 1/8 7/8 1 1-1/4 l product data bore range 1/4 to 1-1/4 carbon alloy cap screw steel mild steel-black oxide finish id od split rigid couplings 1rc-kw 2rc-kw keyway l od keyway rbl rigid coupling 1 pc split 1 rc 025-kw 1 rc 031-kw 1 rc 037-kw 1 rc 050-kw 1 rc 062-kw 1 rc 075-kw 1 rc 087-kw 1 rc 100-kw 1 rc 112-kw 1 rc 125-kw rbl rigid coupling 2 pc split 2 rc 025-kw 2 rc 031-kw 2 rc 037-kw 2 rc 050-kw 2 rc 062-kw 2 rc 075-kw 2 rc 087-kw 2 rc 100-kw 2 rc 112-kw 2 rc 125-kw bore b 1/4 5/16 3/8 1/2 5/8 3/4 7/8 1 1-1/8 1-1/4 o.d d 1/2 5/8 3/4 1 1-1/4 1-1/2 1-3/4 2 2-1/8 2-1/4 length l 3/4 1 1 1-1/2 2 2 2 3 3 4 cap screw size 4-40 x 3/8 4-40 x 3/8 6-32 x 3/8 8-32 x 1/2 10-32 x 1/2 1/4-28 x 5/8 1/4-28 x 5/8 1/4-28 x 5/8 1/4-28 x 5/8 1/4-28 x 3/4 stanard tolerance od dimensions tolerances 001 003 001 004 bore bore 1/8 7/8 1 1-1/4 product data bore range 1/4 to 1-1/4 carbon alloy cap screw steel mild steel-black oxide finish

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