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- Chains & Sprockets
- Sprockets
- Single Pitch Roller Chain Sprockets
- Martin 40BS31 7/8
40BS31 7/8
Martin 40BS31 7/8 Type B Bored-to-Size Single Strand Welded Roller Chain Sprocket, 7/8 in Dia Bore, 5.217 in OD, #40 Chain, 31 Teeth, 1/2 in Pitch, Steel
- CP#:
- Item#: 40BS31 7/8
- Mfr#: 40BS31 7/8
- UPC: 697950300696
- Precise machining and processes ensure consistent finish and high quality
- Bores are concentric to pitch line, minimizing run out
- 2 set screws keyed on centerline of tooth
- Min. Order Qty: 1
- Qty. Interval: 1
DESCRIPTION
These finished bore sprockets are shaft ready and come complete with keyways and setscrews. The keyways are on center line of the tooth. Bored to size sprockets with 1/2 in bores and smaller are stocked with (2) setscrews only.
Martin Roller Chain Sprocket, Type B Bored-to-Size Single Strand Welded, 7/8 in Bore, 5.217 in OD, #40 Chain, 31 Teeth, 1/2 in Pitch, 4.9423 in Pitch Diameter, 3-1/4 in Diameter Hub, 1/4-20 x 1/4 in Screw, 3/16 x 3/32 in Keyway, 1 in Length Through Bore, Steel
SPECIFICATIONS
| Bore Diameter | : | 7/8 in |
| Outside Diameter | : | 5.217 in |
| Chain Size | : | #40 |
| Number of Teeth | : | 31 |
| Pitch | : | 1/2 in |
| Material | : | Steel |
| Keyway Size | : | 3/16 x 3/32 in |
| Type | : | Type B Bored-to-Size Single Strand Welded |
| Pitch Diameter | : | 4.9423 in |
| Hub Diameter | : | 3-1/4 in |
| Length Through Bore | : | 1 in |
| Screw Size | : | 1/4-20 x 1/4 in |
DOCUMENTS
-
Specification Sheet https://www.purvisindustries.com//ASSETS/DOCUMENTS/ITEMS/EN/Martin_815A13B_Specification_Sheet.pdf -
VIDEO LINK
https://www.youtube.com/watch?v=fSomOMNB_-Q