Specifications
Dimensions
- Bore Diameter0.5000 in
- Caliper Diameter2.2210 in
- Chain Roller Diameter0.2000 in
- Chain Roller Width0.1875 in
- Hub Diameter1.4680 in
- Length Through Bore0.7500 in
- Outside Diameter2.6000 in
- Pitch0.3750 in
- Pitch Diameter2.3550 in
- Storage Dimension Height1.0625 in
- Storage Dimension Length2.7500 in
- Storage Dimension Width2.7500 in
- Tooth Thickness0.1680 in
- Weight0.46 lbs
Details
- Additional DetailsChain Tightener Part #E5006
- Bearing MaterialOil-Impregnated Sintered Bronze
- Bore TypeBearing
- Chain / Sprocket TypeIdler
- Chain Number31
- Chain Number & Pitch35 / 3/8 in
- Hardened TeethHardened Teeth
- IncludesChain Tightener Part #E5006
- Manufacturer Catalog
- Manufacturer Upc Number697950063980
- Number Of Strands Across1
- Number Of Teeth20
- Product TypeIdler Roller Chain Sprockets
- Radial Load Capacity50 @ 2,500 RPM lb
- Sprocket MaterialSteel
- Surface TreatmentProtective Coating
- Type Of BearingBrz Bush/Steel Journal
- UPC_NO697950063980
Overview
Mfr description
31E20 BRONZE BUSHED IDLER
- Martin idlers are smooth-running and available in oil-impregnated, sintered bronze, extra-duty bearing press-fitted in sprocket and a hardened steel journal case for maximum resistance to wear.
- Steel sprockets used in Martin idlers are accurately machined (not stamped) the same as sprockets normally supplied for power transmission use.
- Martin can also alter existing sprockets and install bearings to make custom idlers.
- Can be used to change the direction of chain motion or to adjust chain tension