63 Series
Heavy Duty High Load Bearings for Industrial Motors & Machinery
635-ZZ miniature bearing - the "armor" of high-speed equipment
【Accurately match your device requirements 】
In the realm of high-speed micro-motors and precision machinery, finding the balance between speed and durability is critical. The 635-ZZ bearing, featuring a robust size of 5mm inner diameter, 19mm outer diameter, and 6mm width, is engineered for stability. Nova Precision Bearing understands that you are not just looking for a component; you need high-temperature resistance, ultra-low friction, and shield protection. This 635-ZZ bearing is precisely designed to excel in environments where metal shielding is preferred over rubber sealing.
【Core Parameters 】
| Item | ItSpecification | ItemSpecification | ItemSpecification |
| Model | 635 ZZ | Applications | High-Speed Motors, Dental Handpieces, Fishing Reels, Fidget Spinners |
| Dimensions | Inner Diameter (d): 5mm Outer Diameter (D): 19mm Thickness (B): 6mm | Radial Clearance | C0 (Standard), C3 (For High Speed) |
| Seal Type | ZZ – Metal Shields (Double Side) | Precision Grade | ABEC-1 (Standard), ABEC-3, ABEC-5 |
| Material | GCr15 Bearing Steel & SS304/SS316 Negotiable | Construction | Single Row, Deep Groove Ball Bearing |
| Packaging | Plastic Tube · Color Box · Carton · Pallet Port of ShipmentAny Port in China (Sea/Air) | Place of Origin | Wuxi, China |
| Sample Policy | Free Samples Available · Shipping Cost Borne by Buye | Delivery Terms | FOB / CIF / EXW (Sea or Air) |
[Technical hard Power - Why Choose Us ]
Advanced Metal Shielding Technology: Unlike the rubber sealed (RS) version, the 635-ZZ adopts a double-sided metal shield design. This structure offers extremely low friction torque, allowing the bearing to achieve higher rotational speeds. The metal shields effectively block large dust particles and debris while retaining the high-speed grease inside, making it ideal for applications where temperatures might exceed the limits of rubber seals. Ultra-High Speed Stability: Engineered for devices requiring rapid rotation, such as dental turbines or high-RPM spindles. The optimized internal clearance and high-precision steel balls ensure the bearing operates smoothly with minimal vibration. It is capable of handling rotational speeds exceeding 30,000 revolutions per minute, ensuring your equipment maintains consistent power output without overheating.Superior Heat Dissipation & Durability: The metal shield design not only reduces friction but also aids in heat dissipation. Made from vacuum-degassed GCr15 high-carbon chrome steel, the bearing rings are hardened to HRC 62-65. This heat treatment process guarantees exceptional wear resistance and a longer fatigue life, even under continuous high-load operation.
【 Application Scenarios - Solving Your Industry Pain Points 】
* High-Speed Micro Motors & Dental Equipment
* Pain Point: Rubber seals create friction heat at very high speeds, leading to premature failure.
* Solution:The 635-ZZ metal shield minimizes contact friction, keeping the temperature low and ensuring the handpiece or motor runs at peak RPM for longer durations.
* Fishing Reels & Precision Instruments
* Pain Point: Need for smooth rotation and protection against sand or large debris.
* Solution: The ZZ shields prevent sand and dirt from entering the raceway while providing the "buttery smooth" feel anglers and operators demand.
* Industrial Robotics & Servo Motors
* Pain Point: High precision requirements and long service life.
* Solution: Our ABEC-5 graded 635-ZZ bearings offer tight tolerances, ensuring zero runout and precise positioning in robotic arms.
【Commitment to quality】
"Steady as a rock, fearless of challenges"Every 635-ZZ bearing produced by us embodies our ultimate pursuit of "stable operation." We do not merely offer a single component; we provide comprehensive protection capabilities around the clock:
Strict Quality Inspection: From raw material selection to final packaging, every batch undergoes rigorous testing using high-precision vibration analyzers and dimension detectors. We ensure the metal shields are perfectly aligned and crimped to prevent any loosening during high-speed rotation. Long-lasting Lubrication: We use premium high-speed grease suitable for metal-shielded bearings, ensuring an oil life of over 15,000 hours under standard operating conditions.
Unfailing After-sales Support: Our engineering team is always on standby to provide technical solutions, ensuring that your equipment runs smoothly and your business is worry-free.
Make your equipment run more stably, longer and safer.
