1305 Double-Row Self-Aligning Ball Bearing | Medium-Heavy Load &
Impact Resistant
I. Product Positioning: A Typical Representative of Self-Aligning
Ball Bearings
It belongs to the double-row self-aligning ball bearing category. Its core value lies in "automatic self-alignment + composite load bearing", designed for equipment with limited installation precision and complex load conditions (e.g., shaft misalignment, vibratory operations).
II. Core Parameters
| Aspect | Details |
|---|
| Dimensions | Bore diameter: 25 mm (the "05" in the model corresponds to 05*5 =
25 mm); Outer diameter: 62 mm; Width: 17 mm. |
| Load Capacity | Dynamic rated load: ~18 kN; Static rated load: ~5 kN (suitable for
medium-heavy loads and impact resistance). |
| Rotational Speed | Grease lubrication: ≤10,000 rpm; Oil lubrication: ≤13,000 rpm
(low-friction design supports medium to high speeds). |
III. Technical Highlights: Solving "Installation Errors + Complex
Loads" Pain Points
1. Self-Alignment Compensation
The spherical raceway + double-row ball structure automatically compensates for shaft misalignment (≤2°) and installation misalignment, reducing the risk of bearing
seizure.
2. Multi-Load Adaptability
It simultaneously bears main radial loads + bidirectional auxiliary axial loads, adapting to impact and vibratory conditions (e.g., crushers,
reducers).
IV. Typical Application Scenarios (Covering 10+ Industries)
- Industrial Equipment: Planetary reducers (shaft misalignment compensation), machine
tool arbors (high speed), ceramic cutting machines (impact
resistance).
- Environmental Equipment: Vacuum dryers (clean conditions), washing machines (humid
environments), open reactors (vibratory loads).
- Civil Applications: Computerized embroidery machines (precision motion), textile
machine components (continuous operation), livestock breeding
machinery (dusty conditions).
- Energy & Chemical Industry: Drilling/production equipment (heavy loads), high-purity water
production equipment (low contamination), water-cooled chillers
(medium-speed operation).
V. Selection & Replacement Recommendations
- Advantages: Strong self-alignment capability, moderate cost — ideal for
scenarios with rough installation and complex loads.
- Limitations: Weaker axial load-bearing capacity than thrust bearings; lower
high-speed performance than angular contact ball bearings.
