Inner diameter (d): 40 mm
Outer diameter (D): 84.138 mm
Width (B): 23.8 mm
Nominal length (C): 50.1 mm
Series: 01 Series (Medium load)
Suffix meaning: M = Metric, GR = Positioning type (capable of withstanding axial loads)
Weight: Approx. 1.0–1.2 kg
Rated load: Radial dynamic load approx. 67 kN, static load approx. 67 kN

Core Applicable Industries

Metallurgy/Steel (Most Typical)
Continuous casting machine rollers, rolling mill auxiliary rollers, heating furnace rollers, bar/wire conveyor rollers
Blast furnace charging belts, sintering machines, cooling beds, straighteners
Features: Heavy load, high dust, high temperature, small maintenance space

Mining/Quarrying/Coal
Underground/Surface belt conveyors, scraper conveyors, crushers, vibrating screens, bucket wheel excavators
Ball mills, coal mills, coal washing equipment, transfer conveyors
Features: Heavy load, impact, dust/humidity, continuous operation, difficult shaft disassembly

Cement/Building Materials
Rotary kiln support rollers, grate coolers, roller presses, air classifiers, elevators, clinker conveyors
Features: High temperature, dust, strong abrasion, continuous production, large downtime losses

Power (Thermal/Hydropower/) Wind Power

Wind turbines (induced draft fans, forced draft fans, pulverizers), water pumps, coal mills, turbine auxiliary shafts

Hydrogen turbine guide bearings, wind turbine yaw/pitch control, cooling tower fans

Features: Medium load, continuous operation, high altitude/enclosed space, inconvenient maintenance
Paper/Printing

Paper machine press rolls, drying cylinders, rewinders, coating machines, calenders, conveyor rolls

Features: Continuous high speed, humid/steam environment, long shaft system, difficult shaft disassembly
Port/Lifting/Conveying

Belt conveyors, bucket wheel excavators, stacker-reclaimers, ship loaders, ship unloaders, gantry cranes, overhead cranes

Features: Heavy load, outdoor, long distance, frequent start-stop, limited maintenance space
General Industry (Pumps/Fans/Gearboxes)

Centrifugal pumps, screw pumps, Roots blowers, centrifugal fans, gearbox output shafts

Features: Medium load, continuous operation, compact shaft system, requires quick maintenance