THK CF10UU-A is a stud-type needle roller cam follower bearing with double-sided UU contact seals and hex-socket stud design. Engineered with a thick-walled outer ring and precision needle roller assembly, it delivers exceptional radial load capacity, compact rigidity, and reliable contamination resistance. Ideal for linear guide systems and cam mechanisms, it ensures stable high-speed rotation and long service life in precision automation equipment.
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THK CF10UU-A is a stud-type needle roller cam follower bearing with double-sided UU contact seals and hex-socket stud design. Engineered with a thick-walled outer ring and precision needle roller assembly, it delivers exceptional radial load capacity, compact rigidity, and reliable contamination resistance. Ideal for linear guide systems and cam mechanisms, it ensures stable high-speed rotation and long service life in precision automation equipment.
Stud diameter (d): 10 mm (tolerance: −0.010/+0 mm, ISO P0)
Outer diameter (D): 22 mm (tolerance: 0/+0.018 mm)
Outer ring width (C): 12 mm (tolerance: ±0.05 mm)
Overall length (B1): 36 mm
Thread specification (G): M10×1.25
Hex socket (H): 5 mm
Chamfer (r min): 0.6 mm
Weight: 0.045 kg
Dynamic load rating (Cr): 5.39 kN
Static load rating (C0r): 6.86 kN
Limiting speed (grease): 11,900 rpm
Radial clearance: Standard (CN: 0.005–0.015 mm)
Seal type: Double-sided UU NBR contact seals
Precision class: ISO P0 (standard precision)
Outer ring & needle rollers: SUJ2 (100Cr6/AISI 52100) high-carbon chromium bearing steel. Hardness: 61–65 HRC; superior rolling fatigue strength, wear resistance, and dimensional stability under cyclic loads.
Stud: S45C (AISI 1045) medium carbon steel. Hardness: 28–32 HRC; excellent mechanical strength and machinability for secure mounting.
Cage: Pressed steel (SPCC). Precision-formed pockets for stable needle roller guidance, preventing skewing and ensuring smooth rotation.
Seals: NBR (nitrile rubber). Double-sided contact design, effective dust and moisture exclusion, operating temperature: -30°C to +100°C.
Precision cold forging: Controlled grain flow for enhanced outer ring rigidity and impact resistance.
CNC machining: Dimensional accuracy ≤ ±0.003 mm for stud and ring profiles.
Vacuum heat treatment: Uniform martensitic structure, minimal distortion, consistent hardness distribution.
Grinding & superfinishing: Raceway and roller surfaces (Ra ≤ 0.04 μm) for minimal friction and wear.
Automated assembly: 100% inspection of radial clearance, rotation torque, and seal integrity per THK standards.
Standard rating life (L10): 12,000–15,000 hours (ISO 281:2007; 60% Cr load, 5,000 rpm, initial grease lubrication).
Key factors: Lubrication condition, contamination, operating temperature (-15°C to +80°C), mounting alignment, and load magnitude.
Automation equipment: CNC machines, robotic arms, linear motion guides (compact, high-rigidity design).
Packaging machinery: Cam indexers, conveyor systems (high-speed, shock load resistance).
Textile machinery: Yarn guides, winding mechanisms (low friction, stable rotation).
Printing machinery: Paper feed systems, rotary presses (contamination resistance, precision tracking).
Medical devices: Precision actuators, diagnostic equipment (smooth operation, long life).
Lubricant: THK AFG lithium complex grease (NLGI 2) or ISO VG 68–100 EP oil.
Regreasing: CF10UU-A has no relubrication hole; maintenance-free for standard conditions.
External lubrication: Apply thin grease layer to outer ring contact surface every 2,000 hours.
Inspection: Every 1,000 hours; check for abnormal noise, vibration, and seal damage.
Pre-installation: Clean mounting surface (Ra ≤ 1.6 μm); inspect for burrs and corrosion.
Mounting: Use 5 mm hex key; tighten stud to 12–15 Nm torque; ensure no tilting.
Alignment: Angular misalignment ≤ 0.5°; avoid eccentric loading.
Post-installation: Rotate manually to check smoothness; no abnormal resistance or noise.
Safety: Wear protective gloves; avoid impact on outer ring and seals.
| BRAND | FONKIN/SKF/FAG/INA/NSK/NTN/TIMKEN/SNR/IKO/KOYO/ASAHI/FYH/JKL |
| BEARINGS NO. | CF10UU-A THK |
| TYPE | Cam follower |
| Inner(d)mm | 10 |
| Outer(D)mm | 22 |
| Width(B)mm | 12 |
| WEIGHT/KG | 0.045 |
| EAN CODE |
+86-510-6831-3099
No.105, Huixin Road,Yuqi Industrial Park, Huishan District, hunqi Road, Yuqi Town, Wuxi, Jiangsu Province, P.R.CHINA
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