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B Series Short Pitch Precision Roller Chains
Premium Power Transmission Solutions for UK Industrial Excellence
B Series short pitch precision roller chains represent the pinnacle of mechanical drive technology, specifically engineered to thrive in the demanding industrial landscapes of the United Kingdom. These high-load components are manufactured in strict accordance with ISO 606:2015, DIN 8187, and BS standards, ensuring seamless compatibility with European machinery. Whether utilized in high-speed manufacturing lines in the Midlands or heavy-duty agricultural equipment in East Anglia, our precision roller chains deliver exceptional wear resistance and fatigue strength. The B Series is distinguished by its shorter pitch, which allows for smoother engagement with sprockets, reducing vibration and significantly extending the service life of the entire transmission system even under continuous operation.
Engineered Durability
Constructed from high-grade alloy steel with advanced heat treatment, these chains are designed to withstand the rigours of the UK’s diverse climate and industrial environments. The shot-peened plates and pre-stretched assembly ensure minimal initial elongation and maximum structural integrity.
Precision Compliance
Full compliance with international standards (ISO, DIN, ANSI) means our B Series chains are the perfect drop-in replacement for existing British Standard systems. The precise tolerances on pin diameter and plate depth guarantee reliable power transmission at high rotational speeds.
Simplex B Series Technical Specifications

| DIN/ISO Chain No. | Pitch | Roller diameter | Width between inner plates | Pin diameter | Pin length | Inner plate depth | Plate thickness | Ultimate tensile strength | Average tensile strength | Weight per meter | |
| P | d1 max | b1 min | d2 max | L max | Lc max | h2 max | t/T max | Q min | Q0 | q | |
| mm | mm | mm | mm | mm | mm | mm | mm | kN/lbf | kN | kg/m | |
| 04B-1 | 6.000 | 4.00 | 2.80 | 1.85 | 6.80 | 7.8 | 5.00 | 0.60 | 3.0/682 | 3.2 | 0.11 |
| 05B-1 | 8.000 | 5.00 | 3.00 | 2.31 | 8.20 | 8.9 | 7.10 | 0.80 | 5.0/1136 | 5.9 | 0.20 |
| *06B-1 | 9.525 | 6.35 | 5.72 | 3.28 | 13.15 | 14.1 | 8.20 | 1.30 | 9.0/2045 | 10.4 | 0.41 |
| 08B-1 | 12.700 | 8.51 | 7.75 | 4.45 | 16.70 | 18.2 | 11.80 | 1.60 | 18.0/4091 | 19.4 | 0.69 |
| 10B-1 | 15.875 | 10.16 | 9.65 | 5.08 | 19.50 | 20.9 | 14.70 | 1.70 | 22.4/5091 | 27.5 | 0.93 |
| 12B-1 | 19.050 | 12.07 | 11.68 | 5.72 | 22.50 | 24.2 | 16.00 | 1.85 | 29.0/6591 | 32.2 | 1.15 |
| 16B-1 | 25.400 | 15.88 | 17.02 | 8.28 | 36.10 | 37.4 | 21.00 | 4.15/3.1 | 60.0/13636 | 72.8 | 2.71 |
| 20B-1 | 31.750 | 19.05 | 19.56 | 10.19 | 41.30 | 45.0 | 26.40 | 4.50/3.5 | 95.0/21591 | 106.7 | 3.70 |
| 24B-1 | 38.100 | 25.40 | 25.40 | 14.63 | 53.40 | 57.8 | 33.20 | 6.00/4.8 | 160.0/36364 | 178.0 | 7.10 |
| 28B-1 | 44.450 | 27.94 | 30.99 | 15.90 | 65.10 | 69.5 | 36.70 | 7.50/6.0 | 200.0/45455 | 222.0 | 8.50 |
| 32B-1 | 50.800 | 29.21 | 30.99 | 17.81 | 66.00 | 71.0 | 42.00 | 7.00/6.0 | 250.0/56818 | 277.5 | 10.25 |
| 40B-1 | 63.500 | 39.37 | 38.10 | 22.89 | 82.20 | 89.2 | 52.96 | 8.50/8.0 | 355.0/80682 | 394.0 | 16.35 |
| 48B-1 | 76.200 | 48.26 | 45.72 | 29.24 | 99.10 | 107.0 | 63.80 | 12.00/10.0 | 560.0/127272 | 621.6 | 25.00 |
| 56B-1 | 88.900 | 53.98 | 53.34 | 34.32 | 114.6 | 123.0 | 77.80 | 13.50/12.0 | 850.0/193180 | 940.0 | 35.78 |
| 64B-1 | 101.600 | 63.50 | 60.96 | 39.40 | 130.0 | 138.5 | 90.17 | 15.00/13.0 | 112.0/254544 | 1240.0 | 46.00 |
| 72B-1 | 114.300 | 72.39 | 68.58 | 44.48 | 147.4 | 156.4 | 103.60 | 17.00/15.0 | 1400.0/318180 | 1550.0 | 60.80 |
Industrial Application Scenarios
Perfect for synchronised conveyor systems in UK vehicle manufacturing plants, providing zero-slip precision.
Stainless steel variants of our B Series are used in bottling lines and food processing for high hygiene standards.
Robust drive chains for harvesting machinery, capable of handling dust, moisture, and high shock loads.
OEM Customization & Factory Strength
At Ever-Power, we understand that standard sizes don’t always meet the unique requirements of bespoke British engineering projects. Our state-of-the-art manufacturing facility specializes in precision customization, offering tailored chain widths, specialized attachments, and proprietary lubricants for extreme temperature applications. We employ a rigorous quality control protocol where every batch undergoes tensile testing and dimensional auditing before dispatch. Our technical team can work directly from your CAD drawings to produce custom B Series chains that integrate perfectly with your proprietary sprockets, ensuring optimized efficiency for your specific machinery.
Need a custom pitch or reinforced side plates?
Customer Success: Sheffield Steel Processing Plant
A leading steel fabrication facility in Sheffield was experiencing frequent downtime due to chain elongation in their heavy-duty roller conveyor. Our senior application engineers recommended an upgrade to HZPT reinforced B Series 24B-1 chains. Following the installation, the client reported a 45% increase in maintenance intervals and a significant reduction in noise pollution across the factory floor. The superior fatigue resistance of our precision rollers allowed the plant to increase its conveyor speed by 15% without compromising safety or reliability.
“The transition to Ever-Power’s B Series chains has transformed our production uptime. The quality is evident from the moment they are installed.”
“Exceptional precision and wear life. Their technical support helped us identify the exact specification needed for our bespoke bottling line.”
“Consistent reliability at a very competitive price point. The delivery to our Glasgow warehouse was prompt and the packaging was excellent.”
Frequently Asked Questions
What is the typical cost for bulk B Series roller chain orders in the UK?
The cost of our B Series roller chains varies based on the specific ISO size, material (carbon or stainless steel), and total volume. For UK B2B clients, we offer a tiered pricing structure that provides significant savings for bulk procurement. Contact our sales team for a comprehensive quote tailored to your local delivery requirements.
How do I determine which B Series precision chain pitch is best for my machinery?
Choosing the correct pitch depends on your load requirements, sprocket diameter, and operational speed. Generally, shorter pitch chains like the B Series offer smoother operation and are ideal for high-speed applications. Our UK-based application engineers can provide a full drive analysis to help you select the optimal specification.
Where can I find a reliable supplier for custom-length British Standard roller chains?
Ever-Power is a premier global supplier providing custom-length B Series chains directly to the UK market. We can supply chains pre-cut to your exact link count, complete with connecting links (master links) or offset links, ensuring you can begin installation immediately upon arrival at your facility.

edit by gzl


