This article provides a step-by-step standard installation process you can follow directly.

1. Pre-installation inspection

• Verify model, size, seal, and clearance match
• Clean shaft and housing bores; remove burrs and rust

• Check bearings for bumps, deformation, or seal damage

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2. Strictly prohibit rough handling

• Do not strike the inner or outer ring directly
• Do not hammer violently; use special mounting sleeves and dies

• Apply pressure only on the loaded ring

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3. Correct installation methods

1. Cold pressing: small size, light load; use a press for even installation
2. Hot mounting: large interference, precision bearings; induction heating to 80–120°C for expansion fitting

3. Never oil-boil or open-flame heat: causes annealing, reduces hardness, and damages grease

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4. Post-installation inspection

• Rotates smoothly, no sticking or abnormal noise
• Normal axial and radial clearance

• Seal correctly positioned, no twisting or damage

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5. Summary of forbidden actions

• Assembly in unclean environment = direct dust contamination
• Eccentric pressing = immediate raceway indentation
• Too much / too little torque = overheating or looseness

• Use of unqualified washers and lock nuts

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