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Help Center01EB275MEX Split Bearing 01EB275MGR Bearing
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1、 Core dimensions and parameters (industry standard/measured)
Inner diameter d: 275 mm
Outer diameter D: approximately 430 mm
Width B: Approximately 145 mm
Holder: M=brass solid holder, resistant to strong impact and high temperature
Material: High carbon chromium bearing steel GCr15, quenched HRC60-64
Rated dynamic load: approximately 850 kN
Rated static load: approximately 1100 kN
Extreme speed: 1000 r/min (grease lubrication, low-speed heavy load)
Working temperature: -30 ℃ to+180 ℃
Weight: Approximately 42 kg
2、 Structural features (subdivision+reinforced heavy-duty design)
Fully split structure: The inner and outer rings, rollers, and cage are all split in half at 180 °, and are locked with high-strength bolts; No need to disassemble the shaft or move the gears/couplings, simply disassemble and assemble on the shaft, reducing downtime by over 70%.
Enhanced E-Series Heavy Load Design: Compared to the standard 01B series, the raceway has been significantly widened, the rollers have been lengthened and thickened, and the cage has been strengthened, resulting in an increase in load-bearing capacity by about 25%. The impact resistance and fatigue life are longer, making it suitable for heavy load and impact conditions.
Fixed end/free end optional:
GR (fixed end): with bidirectional ribs, capable of withstanding radial and bidirectional axial forces;
EX (free end): No blocking edge, only bearing radial force, allowing axial sliding due to thermal expansion and contraction of the shaft.
Sealing and Neutrality: Optional labyrinth/contact oil seal, dustproof, waterproof, and anti grease loss; Allow * * ± 0.5 ° static misalignment * *, compatible with long axis and flexible transmission.
3、 Model meaning disassembly
01: Light series code (single row cylindrical roller)
E: Enhanced
B: Cylindrical roller bearings
275: Inner diameter 275 mm
M: Brass solid holder
4、 Typical applications
Mining machinery: large coal mining machine arm/walking part, scraper, crusher, ball mill;
Metallurgy/cement: rotary kiln, rolling mill, conveyor, drying equipment;
Ships: large propulsion shafts, servos, deck machinery;
Other low-speed heavy-duty scenarios such as port cranes, paper machines, and large fans that are difficult to disassemble and require frequent maintenance.
5、 Key points for installation and maintenance
Installation: Clean the journal/bearing seat → fasten the two halves of the bearing → evenly tighten the bolts (according to the manufacturer's torque specifications) → add extreme pressure lithium grease (2/3 cavity) → turn the disc without any jamming;
Maintenance: Supplement fat every 200-500 hours; When the temperature exceeds 80 ℃ and abnormal noise/vibration exceeds the standard, check the sealing and bolt pre tightening force.
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