MARTIN SPROCKET & GR
E40B21H ROLLER CHAIN SPROCKET ; DBL AND TRPL A,B,C-S/B
Roller Chain Sprocket; 40-3 Chain; 21 Teeth; 3 Row of Teeth; Hardened Teeth; 3.618" Outside Diameter; 3.355" Pitch Diameter; B-Hub One Side; Rough Bore Mount; No Bushing; 1/2" Chain Pitch; ANSI Roller Chain; No Keyway; Steel Material
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LINN GEAR
40-3B21H TRIPLE HARDENED SPROCKET
Roller Chain Sprocket; 40-3 Chain; 21 Teeth; 3 Row of Teeth; Hardened Teeth; 3.618" Outside Diameter; 3.355" Pitch Diameter; B-Hub One Side; Rough Bore Mount; No Bushing; 1/2" Chain Pitch; ANSI Roller Chain; No Keyway; Steel Material
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IWIS DRIVE SYSTEMS
E40B21H ROLLER CHAIN SPROCKET ; ANSI 40-3 TYPE B 21 TEETH PILOT BORE
Roller Chain Sprocket; 40-3 Chain; 21 Teeth; 3 Row of Teeth; Hardened Teeth; 3.618" Outside Diameter; 3.355" Pitch Diameter; B-Hub One Side; Rough Bore Mount; No Bushing; 1/2" Chain Pitch; ANSI Roller Chain; No Keyway; Steel Material
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MARTIN SPROCKET & GR
E40B21HX25 ; ROLLER CHAIN SPROCKET
Roller Chain Sprocket; 40-3 Chain; 21 Teeth; 3 Row of Teeth; Hardened Teeth; 3.618" Outside Diameter; 3.355" Pitch Diameter; B-Hub One Side; Rough Bore Mount; No Bushing; 1/2" Chain Pitch; ANSI Roller Chain; No Keyway; Steel Material
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TSUBAKI
HT40B21 5/8 RSB ROLLER CHAIN SPROCKET ; W/HARDENED TEETH
Roller Chain Sprocket; 40-3 Chain; 21 Teeth; 3 Row of Teeth; Hardened Teeth; 3.618" Outside Diameter; 3.355" Pitch Diameter; B-Hub One Side; Rough Bore Mount; No Bushing; 1/2" Chain Pitch; ANSI Roller Chain; No Keyway; Steel Material
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