Overview
Mfr description
25BB20 3/8 SPK IDLER BALL BEARING
- 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
Specifications
- Sprocket MaterialSteel
- Chain / Sprocket TypeIdler
- Type Of BearingBall Bearing
- Bore Diameter
- Bore TypeBearing
- Hardened TeethHardened Teeth
- Number Of Teeth
- Chain Number25
- Number Of Strands Across1
- Pitch Diameter1.5980 in
- Outside Diameter
- Chain Number & Pitch25 / 1/4 in
- Hub Diameter1.0500 in
- Length Through Bore
- Chain Roller Diameter0.1300 in
- Chain Roller Width0.1250 in
- Caliper Diameter1.4640 in
- Tooth Thickness0.1100 in
- Surface TreatmentProtective Coating
- Storage Dimension Height0.3430 in
- Storage Dimension Width1.7280 in
- Storage Dimension Length1.7280 in
- Additional DetailsChain Tightener Part #E5006
- IncludesChain Tightener Part #E5006
- Weight0.01 lbs
- Manufacturer Upc Number697950365954
- Pitch
- UPC_NO697950365954
- Product TypeIdler Roller Chain Sprockets
- Manufacturer Catalog
Compliance & Safety Data
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