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1. Basic dimensions (mm)
Inner diameter d=220
Outer diameter D=342.9
Inner ring width C=115
Total bearing width B=152.4
Weight: approximately 42.6 kg
II. Model Meaning (01EB220M)
01: Series code, single-row cylindrical roller, medium and heavy-duty series
E: Reinforcement design (increasing roller diameter, optimizing internal contact stress, significantly improving load capacity)
B: Split type, with inner and outer rings + rollers + full split cage
220: Inner diameter 220 mm
M: Metric; Brass solid cage
III. Structure and Core Features
Fully split design: All components are split in half, allowing for installation and replacement without dismantling the shaft or moving the equipment. This increases maintenance efficiency by over 80%, and is suitable for narrow spaces and large shaft systems that are difficult to dismantle.
Heavy-load reinforcement: Radial heavy-load capacity + bidirectional axial positioning (GR fixed end) / axial float (EX floating end); the radial load capacity is approximately 25% higher than that of the 01B series of the same size, suitable for heavy-load impact conditions.
Material and heat resistance: The bearing steel GCr15 is quenched, with a working temperature up to 180℃; the brass cage is impact-resistant, wear-resistant, and has good high-temperature stability.
Centering tolerance: Allow ±0.5° static centering error, accommodating frame deformation and installation deviation.
IV. Rated load (for reference)
Basic dynamic load Cr ≈ 750 kN
Basic static load Cor ≈ 1280 kN
Limit speed: 750 r/min for grease lubrication, 950 r/min for oil lubrication
V. Typical Applications
Metallurgy: Large rolling mill rollers, continuous casting machine roller tables
Mine: shearer main shaft, large belt conveyor drum, crusher
Electric power: large induced draft fan, coal mill, feed pump
Cement: rotary kiln supporting roller, high-speed shaft of large reducer
Papermaking / Sugar Manufacturing: Large Press Rolls, Dryer Shafts
Ship: deck machinery, propulsion system intermediate shaft
VI. Key points of installation and selection
Fixed end (GR): bidirectional axial positioning, capable of withstanding bidirectional thrust
Floating end (EX): The inner ring/outer ring can slide axially to compensate for thermal expansion of the shaft
When using a dedicated split bearing housing, we recommend the SKF Cooper or the domestic WLFZ series.
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