50B21SS Roller Chain Sprocket, #50 Chain, 21 Teeth, B Hub

Representative image shown. Actual product appearance varies by size, bore, and configuration. Refer to the specifications table for exact dimensions of this part number. 50B21SS Roller Chain Sprocket, #50 Chain, 21 Teeth, B Hub Price upon request Pricing on this item varies with material cost. Call or email for current pricing and availability, with a same-day response during business hours. Call (888) 203-2358 Email for a quote The 50B21SS is a 21-tooth sprocket for ANSI #50 roller chain with a B style hub, machined from stainless steel. Machined from solid stock, never sintered or powdered metal, which matters on sprockets where tooth wear sets the replacement interval. Specifications Specification Value Part Number 50B21SS Chain Size ANSI #50 Teeth 21 Hub Style B Strands 1 Outside Diameter 4.52 in Bore 2 in minimum plain bore Material Stainless Steel (no sintered or powdered metal) Weight 2.44 lb Country of Origin United States. ISO 9001:2015 certified manufacturing. Applications Roller chain drives on conveyors and material handling equipment Agricultural machinery and implement drives Packaging machinery and light industrial drives Wash-down and corrosive environments Chain Compatibility ANSI #50 is a standardized roller chain size, so the 50B21SS runs #50 chain from any manufacturer in the same pitch. Cross Reference The 50B21SS interchanges with these equivalent part numbers, per published manufacturer interchange data: Manufacturer Equivalent Part Number Martin 50B21SS US Tsubaki 50B21SS Grainger 812Y32 Grainger 5GVL4 Powerdrive 50B21SS Always verify dimensions and bore size before substituting part numbers across manufacturers. Buying in bulk? Save on volume. Multi-unit and OEM quantities qualify for volume discounts. Call or email for a quantity quote. Call (888) 203-2358 Email sales@texasbelting.com Frequently Asked Questions What chain does the 50B21SS sprocket run? ANSI #50 roller chain. The size is standardized, so #50 chain from any manufacturer fits. Does the 50B21SS replace the Martin 50B21SS? Yes. Published interchange data crosses the 50B21SS directly to the Martin 50B21SS, as well as US Tsubaki 50B21SS, Grainger 812Y32, Grainger 5GVL4. Verify dimensions and bore before ordering. Does the 50B21SS ship from Houston? Yes. Stock items ship same day from our Houston, Texas warehouse. Call (888) 203-2358 to confirm availability. Need a quote on 50B21SS? Houston warehouse, same-day shipping on stock items. Call (888) 203-2358 All third-party part numbers and trademarks referenced are the property of their respective owners. References are for compatibility identification only and do not imply affiliation or endorsement.