Description
Specification
Sprocket processing: forging, machining, hobbing, treatment on quenching, surface treatment/rust-proof treatment
Type: A/B series, simplex, duplex, triplex
Material: Q235, Steel 1045, stainless steel, 40Cr, 20CrMnTi, 42CrMo, copper,etc.
surface treatment: polishing, black oxide, zinc plating, electrophoresis, etc.
Hardness: treatment on quenching optional for hardness HB(220-250) or HRC(38-46)
Standard: ANSI, ISO, KANA, DIN or produced according to your special drawing.
For Chain according to DIN8187/8188
| part no. | 06B | 08B | 10B | 12B | 16B | 20B | 24B | 28B | 32B | 40B |
| pitch | 9.525mm | 12.7mm | 15.875mm | 19.05mm | 25.4mm | 31.75mm | 38.1mm | 44.45mm | 50.8mm | 63.5mm |
| part no. | 25 | 35 | 40 | 41 | 50 | 60 | 80 | 100 | 120 | 140 | 160 | 180 | 200 | 240 |
| pitch | 1/4″ | 3/8″ | 1/2″ | 1/2″ | 5/8″ | 3/4″ | 1″ | 1-1/4″ | 1-1/2″ | 1-3/4″ | 2″ | 2-1/4″ | 2-1/2″ | 3″ |
#40 Double Single Size Chart
| Sprocket Size | Outside Diameter | Stock Bore | Maximum Bore | Length Thru Bore | Sprocket Weight |
| DS40A15 | 2.650″ | 1/2″ | 1-1/4″ | 1-13/32″ | 1.2 LBS |
| DS40A16 | 2.810″ | 1/2″ | 1-1/4″ | 1-13/32″ | 1.4 LBS |
| DS40A17 | 2.980″ | 1/2″ | 37027 | 1-13/32″ | 1.6 LBS |
| DS40A18 | 3.140″ | 1/2″ | 1-1/2″ | 1-13/32″ | 1.8 LBS |
| DS40A19 | 3.300″ | 5/8″ | 1-11/16″ | 1-13/32″ | 2.2 LBS |
| DS40A20 | 3.460″ | 5/8″ | 1-3/4″ | 1-13/32″ | 2.6 LBS |
| DS40A21 | 3.620″ | 5/8″ | 1-3/4″ | 1-13/32″ | 2.9 LBS |
| DS40A22 | 3.780″ | 5/8″ | 1-13/32″ | 1-13/32″ | 3.0 LBS |
| DS40A23 | 3.940″ | 5/8″ | 2-1/16″ | 1-13/32″ | 3.5 LBS |
| DS40A24 | 4.100″ | 5/8″ | 2-1/4″ | 1-13/32″ | 4.0 LBS |
| DS40A25 | 4.260″ | 5/8″ | 37260 | 1-13/32″ | 4.5 LBS |
| DS40ATB18 | 3.140″ | — | — | 1-1/2″ | 1.0 LBS |
| DS40ATB19 | 3.300″ | — | — | 1-1/2″ | 1.1 LBS |
| DS40ATB20 | 3.460″ | — | — | 1-1/2″ | 1.3 LBS |
| DS40ATB21 | 3.620″ | — | — | 1-1/2″ | 1.3 LBS |
| DS40ATB23 | 3.940″ | — | — | 1-1/2″ | 1.5 LBS |
| DS40ATB24 | 4.100″ | — | — | 1-1/2″ | 1.7 LBS |
| DS40H19 | 3.300″ | — | — | 2-1/32″ | 1.5 LBS |
| DS40H21 | 3.620″ | — | — | 2-1/32″ | 2.0 LBS |
| DS40P23 | 3.940″ | — | — | 2-9/32″ | 2.3 LBS |
| DS40P24 | 4.100″ | — | — | 2-9/32″ | 2.5 LBS |
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