Martin 40BTB21 Bushing Bore Roller Chain Sprocket - Taper Locking 40 / 1/2 in 21 Teeth 1610 Bushing

Product Description

The Martin 40BTB21 is a bushing bore roller chain sprocket that features a taper locking design. This sprocket has 21 teeth and fits standard roller chains with a pitch size of 40 / 1/2 inches. It is manufactured with high carbon steel to offer strength and durability.

• Tapered bushing design for secure fitting
• Meets ANSI standards for precision
• Compatible with other manufacturers' taper bushings

Product Highlights

This sprocket is ideal for mechanical power transmission applications where a reliable and durable connection is necessary.

Product Information

Standard Information

• Brand: Martin
• Country of Origin: United States

Technical Specifications

• MPN: 40BTB21
• Pitch Type: Single
• Chain Number & Pitch: 40 / 1/2 in
• Hub Diameter: 2-25/32 in
• Outside Diameter: 3.6170 in
• Caliper Diameter: 3.0334 in
• Length Through Bore: 1.0000 in
• Tooth Width: 0.284 in
• Overall Width: 1 in
• Bushing Bore Range: 1/2 to 1-5/8 in
• Number Of Teeth: 21
• Number Of Hubs: 1
• Number Of Strands Across: 1
• Surface Treatment: Protective Coating
• Storage Dimension Width: 4.3125 in
• Storage Dimension Height: 1.0625 in
• Storage Dimension Length: 4.3125 in
• Manufacturer UPC Number: 697950030661