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| Customization: | Available |
|---|---|
| Vibration: | Zv1 Zv2 Zv3 |
| Hardness: | HRC60--62 |
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UJK clutch bearings deliver reliable torque transfer and smooth disengagement in high-stress drivetrain systems. Engineered for extreme axial loads, thermal cycling, and contamination-prone environments, they ensure extended service life in passenger vehicles, commercial trucks, and agricultural machinery.
Design Focus: High-speed precision, low pedal effort, NVH reduction.
| Series | Type | Bore (mm) | Max. Axial Load (kN) | RPM Limit | Sealing | Applications |
|---|---|---|---|---|---|---|
| CSC-200 | Concentric Slave Cylinder | 22-45 | 12-18 | 8,000 | Triple-lip + Dust Shield | Passenger Cars (FWD/RWD) |
| RB-70 | Conventional Release Bearing | 30-55 | 10-15 | 6,500 | PTFE-Sealed + Spring Cage | Trucks, Light Commercial |
| HSC-300 | Hydraulic Slip Control | 18-35 | 8-12 | 10,000 | Laser-Welded Bellows | Performance/Sports Vehicles |
Core Technologies:
Low-Friction Polymer Liners: Reduce pedal effort by 25% vs. standard bearings.
Integrated Hydraulics (CSC/HSC): Eliminate external slave cylinders for compact packaging.
Thermal-Resistant Grease: Stable at -40°C to +220°C (DIN 51825 K2K-40).
Anti-Squeal Coatings: MoS-treated sliding surfaces prevent NVH.
Design Focus: Contaminant exclusion, shock load resistance, corrosion protection.
| Series | Type | Bore (mm) | Max. Axial Load (kN) | IP Rating | Reinforcement | Compatible Machinery |
|---|---|---|---|---|---|---|
| AG-RS1 | Heavy-Duty Release | 40-80 | 25-40 | IP6K9K | Forged Steel Cage + Wipers | Tractors (>150 HP) |
| DRY-TECH | Sealed Dry-Running | 35-65 | 18-30 | IP6K7 | Graphite-Embedded Liner | Combines, Harvesters |
| PTO-X | Power Take-Off (PTO) | 50-100 | 35-60 | IP6K9K | Labyrinth + V-Ring Seals | Balers, Seeders |
Core Technologies:
Multi-Barrier Sealing: Triple wipers + nitride-rubber seals block grain dust/mud.
Corrosion Defense: Zn-Ni plating or 316L stainless steel bodies.
Shock Absorption: Elastic polymer damping rings handle implement engagement spikes.
Lubrication-Free Options: Sintered bronze liners for maintenance-free operation.
Durability Enhancement
Automotive: 300K+ km lifespan under urban stop-start cycles.
Agriculture: 10,000+ hours in silica-dust environments (tested per ISO 16281).
Precision Engineering
Radial runout ≤0.05 mm for vibration-free engagement.
ABEC P5 tolerance on critical dimensions.
Thermal Management
Carbon-ceramic hybrid liners (AG-RS1) sustain 250°C clutch slip temperatures.
Global Compliance
Automotive: IATF 16949 certified, meeting Ford WSS-M99P9999.
Agriculture: ISO 14242-1 (field contamination resistance).
| Sector | Bearing Series | Critical Requirements |
|---|---|---|
| Passenger Cars | CSC-200, RB-70 | Low pedal effort, compact design |
| Heavy Trucks | HSC-300 | High heat dissipation, 1M+ cycle life |
| Tractors | AG-RS1, DRY-TECH | Mud/chemical resistance, shock loads |
| Harvesters | PTO-X | PTO shaft misalignment (±2°) compensation |
Field-Proven Reliability: 98% survival rate in 5-year EU farm machinery surveys.
Custom Solutions:
Electrified Vehicles: Insulated bearings for hybrid/electric drivetrains.
High-Pressure Wash: 360° stainless steel shields (IP6K9K/ISO 20653).
Technical Support: Application-specific preload/clearance optimization.
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