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MARTIN SPROCKET & GEAR
Metric Roller Chain Sprockets

Metric Roller Chain Sprockets

Product catalog summary

Overview: The document provides comprehensive specifications for roller chain sprockets, including metric options, adhering to ISO standards. It details various sprocket types such as Simplex, Duplex, and Triplex, and discusses materials like steel and stainless steel.

Specifications: Sprockets are categorized by type (A, B, C) and configuration (Simplex, Duplex, Triplex). Each entry specifies the number of teeth, pitch diameter, catalog number, bore size, hub diameter, and weight. They are designed for standard keyseat and setscrew configurations, with options for larger bores without keyseats.

Chain Data: The sprockets are compatible with chains meeting BS 228/3 and ISO standards (06B-1, 06B-2, 06B-3, 08B-1, 08B-2). Chain specifications include pitch, roller diameter, roller width, and tensile strength, varying by chain type.

Material and Design Features: Available in steel and stainless steel, some sprockets have hardened teeth (indicated by an 'H' suffix) and may feature a recessed groove in the hub for chain clearance.

Tables and Data Interpretation: Extensive tables provide sprocket dimensions and weights. Key data points include pitch diameter, maximum bore size, hub diameter, and weight, essential for selecting the right sprocket for specific applications.

Recommendations: When selecting sprockets, consider chain type, load requirements, and environmental conditions. Ensure compatibility with the chain's pitch and tensile strength to enhance performance and longevity.

Catalog excerpts

Roller Chain Sprockets Metric Sprockets ISO STANDARDS Types A - B & C Stock Sprockets Taper Bushed SIMPLEX Taper Bushed DUPLEX INSTANT SPLIT® SPROCKET Taper Bushed DOUBLE-SIMPLEX HARDENED TEETH Double Simplex IDLER BALL BEARING Idler Sprockets TYPE B SIMPLEX STAINLESS

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Metric Sprockets ISO METRIC 0.375 INCH (9.525mm) PITCH SIMPLEX CHAIN DATA: BS 228/3 ISO 06B-1 PITCH: 9.53mm (0.375 in.) ROLLER DIAMETER: 6.35mm (0.250 in.) ROLLER WIDTH: 5.72mm (0.225 in.) TENSILE: 910 kilos (2000 lbs.) Simplex-Type B — Steel SPROCKETS Catalog Number Weight (Approx.) Kilos Catalog Number Weight (Approx.) Kilos Length Thru Maximum bores shown will accommodate standard keyseat and setscrew over keyseat. Slightly larger bores are possible with no keyseat, shallow keyseat, or setscrew at angle to keyseat.

Open the catalog to page 2

Metric Sprockets ISO METRIC 0.375 INCH (9.525mm) PITCH SIMPLEX CHAIN DATA: BS 228/3 ISO 06B-1 PITCH: 9.53mm (0.375 in.) ROLLER DIAMETER: 6.35mm (0.250 in.) ROLLER WIDTH: 5.72mm (0.225 in.) TENSILE: 910 kilos (2000 lbs.) Length Thru Simplex-Taper Bushed — Steel No. Teeth Catalog Number Bushing Number Bushing Kilos ૺHas recessed groove in hub for chain clearance. Sprockets with “H” suffix have hardened teeth.

Open the catalog to page 3

Metric Sprockets ISO METRIC 0.375 INCH (9.525mm) PITCH DUPLEX WIDTH CHAIN 15.44mm .608 CHAIN DATA: BS 228/3 ISO 06B-2 PITCH: 9.53mm (0.375 in.) ROLLER DIAMETER: 6.35mm (0.250 in.) ROLLER WIDTH: 5.72mm (0.225 in.) TENSILE: 1730 kilos (3800 lbs.) Length Thru Duplex-Type B — Steel No. Teeth Catalog Number Weight (Approx.) Kilos Maximum bores shown will accommodate standard keyseat and setscrew over keyseat. Slightly larger bores are possible with no keyseat, shallow keyseat, or setscrew at angle to keyseat.

Open the catalog to page 4

Metric Sprockets 0.375 INCH (9.525mm) PITCH DUPLEX WIDTH CHAINS CHAIN DATA: BS 228/3 ISO 06B-2 PITCH: 9.53mm (0.375 in.) ROLLER DIAMETER: 6.35mm (0.250 in.) ROLLER WIDTH: 5.72mm (0.225 in.) TENSILE: 1730 kilos (3800 lbs.) Length Thru Duplex-Taper Bushed — Steel No. Teeth Catalog Number Bushing Number Bushing Kilos

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Metric Sprockets ISO METRIC 0.375 INCH (9.525mm) PITCH TRIPLEX CHAIN DATA: BS 228/3 ISO 06B-3 PITCH: 9.53mm (0.375 in.) ROLLER DIAMETER: 6.35mm (0.250 in.) ROLLER WIDTH: 5.72mm (0.225 in.) TENSILE: 2540 kilos (5600 lbs.) Length Thru Triplex-Type B — Steel No. Teeth Catalog Number Weight (Approx.) Kilos

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Metric Sprockets 0.500 INCH (12.70mm) PITCH SIMPLEX CHAIN DATA: BS 228/7 ISO 08B-1 PITCH: 12.70mm (0.500 in.) ROLLER DIAMETER: 8.51mm (0.335 in.) ROLLER WIDTH: 7.75mm (0.305 in.) TENSILE: 1820 kilos (4000 lbs.) Length Thru Catalog Number Weight (Approx.) Kilos Catalog Number Weight (Approx.) Kilos Maximum bores shown will accommodate standard keyseat and setscrew over keyseat. Slightly larger bores are possible with no keyseat, shallow keyseat, or setscrew at angle to keyseat. Simplex-Type B — Steel No. Teeth

Open the catalog to page 7

Metric Sprockets ISO METRIC 0.500 INCH (12.70mm) PITCH SIMPLEX CHAIN DATA: BS 228/7 ISO 08B-1 PITCH: 12.70mm (0.500 in.) ROLLER DIAMETER: 8.51mm (0.335 in.) ROLLER WIDTH: 7.75mm (0.305 in.) TENSILE: 1820 kilos (4000 lbs.) Simplex-Taper Bushed — Steel No. Teeth Catalog Number Bushing Number ૺ Has recessed groove in hub for chain clearance. Sprockets with “H” suffix have hardened teeth. Bushing Kilos

Open the catalog to page 8

Metric Sprockets 0.500 INCH (12.70mm) PITCH DUPLEX CHAIN DATA: BS 228/7 ISO 08B-2 PITCH: 12.70mm (0.500 in.) ROLLER DIAMETER: 8.51mm (0.335 in.) ROLLER WIDTH: 7.75mm (0.305 in.) TENSILE: 3180 kilos (7000 lbs.) Length Thru Duplex-Type B — Steel No. Teeth Catalog Number Weight (Approx.) Kilos Maximum bores shown will accommodate standard keyseat and setscrew over keyseat. Slightly larger bores are possible with no keyseat, shallow keyseat, or setscrew at angle to keyseat.

Open the catalog to page 9

Metric Sprockets ISO METRIC 0.500 INCH (12.70mm) PITCH DUPLEX CHAIN DATA: BS 228/7 ISO 08B-2 PITCH: 12.70mm (0.500 in.) ROLLER DIAMETER: 8.51mm (0.335 in.) ROLLER WIDTH: 7.75mm (0.305 in.) TENSILE: 3180 kilos (7000 lbs.) Duplex-Taper Bushed — Steel No. Teeth Catalog Number Bushing Number Bushing Kilos

Open the catalog to page 10

Metric Sprockets 0.500 INCH (12.70mm) PITCH TRIPLEX CHAIN DATA: BS 228/7 ISO 08B-3 PITCH: 12.70mm (0.500 in.) ROLLER DIAMETER: 8.51mm (0.335 in.) ROLLER WIDTH: 7.75mm (0.305 in.) TENSILE: 4540 kilos (10,000 lbs.) Length Thru Triplex-Type B — Steel No. Teeth Catalog Number Weight (Approx.) Kilos Maximum bores shown will accommodate standard keyseat and setscrew over keyseat. Slightly larger bores are possible with no keyseat, shallow keyseat, or setscrew at angle to keyseat.

Open the catalog to page 11

Metric Sprockets ISO METRIC 0.625 INCH (15.88mm) PITCH SIMPLEX Catalog Number Weight (Approx.) Kilos Catalog Number Weight (Approx.) Kilos Maximum bores shown will accommodate standard keyseat and setscrew over keyseat. Slightly larger bores are possible with no keyseat, shallow keyseat, or setscrew at angle to keyseat. CHAIN DATA: BS 228/11 ISO 10B-1 PITCH: 15.88mm (0.625 in.) ROLLER DIAMETER: 10.16mm (0.400 in.) ROLLER WIDTH: 9.65mm (0.380 in.) TENSILE: 2270 kilos (4500 lbs.) Length Thru

Open the catalog to page 12

Metric Sprockets 0.625 INCH (15.88mm) PITCH SIMPLEX CHAIN DATA: BS 228/11 ISO 10B-1 PITCH: 15.88mm (0.625 in.) ROLLER DIAMETER: 10.16mm (0.400 in.) ROLLER WIDTH: 9.65mm (0.380 in.) TENSILE: 2270 kilos (5000 lbs.) Simplex-Taper Bushed — Steel No. Teeth Catalog Number Bushing Number Bushing Kilos ૺ Has recessed groove in hub for chain clearance. Sprockets with “H” suffix have hardened teeth.

Open the catalog to page 13

Metric Sprockets ISO METRIC 0.625 INCH (15.88mm) PITCH DUPLEX CHAIN DATA: BS 228/11 ISO 10B-2 PITCH: 15.88mm (0.625 in.) ROLLER DIAMETER: 10.16mm (0.400 in.) ROLLER WIDTH: 9.65mm (0.380 in.) TENSILE: 4540 kilos (10,000 lbs.) TYPE B Length Thru Duplex-Type B — Steel No. Teeth Catalog Number Weight (Approx.) Kilos Maximum bores shown will accommodate standard keyseat and setscrew over keyseat. Slightly larger bores are possible with no keyseat, shallow keyseat, or setscrew at angle to keyseat.

Open the catalog to page 14

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