Original Japan KOYO Deep Groove Ball Bearings 6811, 6812, 6813, 6814, 6815 with ZZ (double metal shields) or 2RS (double rubber seals). Designed for high-performance automotive clutch systems, ensuring smooth operation, reduced friction, and extended service life. Made from premium bearing steel for durability and precision[1][5].
[1] 日本KOYO深沟球轴承6812 6813 6814 6815 6816 6817ZZ 2RS原装
[5] Linqing Xunteng Bearing-Bearing-Deep Groove Ball Bearings
[10] 6812轴承_nsk轴承6812尺寸规格参数报价-nsk轴承型号查询
Model | 6811 | 6812 | 6813 | 6814 | 6815 |
---|---|---|---|---|---|
Inner Diameter (mm) | 55 | 60 | 65 | 70 | 75 |
Outer Diameter (mm) | 72 | 78 | 85 | 90 | 95 |
Width (mm) | 9 | 10 | 11 | 12 | 13 |
Dynamic Load (kN) | 9.8 | 10.5 | 11.2 | 12.0 | 12.8 |
Seal Type | ZZ (Metal Shield) / 2RS (Rubber Seal) |
KOYO 6811-6815 bearings reduce friction in clutch release mechanisms, ensuring smooth gear shifts and extended component lifespan. Their ZZ/2RS seals prevent grease leakage and contamination.
Used in electric motors, pumps, and conveyor systems requiring high-speed rotation with minimal maintenance.
A European truck manufacturer replaced competitor bearings with KOYO 6813ZZ units, achieving 40% longer service intervals under 15-ton load conditions.
KOYO 68152RS bearings enabled dust-resistant operation in combine harvesters, reducing field maintenance costs by 27%.
Challenge: Premature bearing failure in clutch pedal modules.
Solution: KOYO 68112RS with enhanced seal design.
Result: 22-month warranty claim reduction by 68%.
Challenge: Vibration issues at 4,000 RPM+ operations.
Solution: Precision-grade KOYO 6814ZZ bearings.
Result: Noise levels reduced to 62 dB, meeting EU Stage V standards.
• JIS B1512 compliance
• 100% factory-tested durability
• 24/7 technical support
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