608ZZ Plastic Coated Pulley Silent U...
608ZZ Rubber Coated U-Groove Deep Groove Ball Bearing – Ultra-smooth rotation, shock-absorbing, faible bruit. Ideal for sliding doors, conveyor systems, drawer slides, and guided roller mechanisms. Quiet, durable, and wear-resistant.
Core Bearing Model: 608ZZ
Inner Diameter (d): 8 mm / 0.315 in
Core Outer Diameter: 22 mm / 0.866 in
Core Width: 7 mm / 0.276 in
Overall Outer Diameter (with coating): 30 mm / 1.18 in
Overall Width (with coating): 10 mm / 0.354 in
Groove Type: U-shaped groove (concave profile)
Coating Material: Polyurethane (PU) / Nylon / Rubber (options available)
Core Bearing Material: Acier chromé (GCr15) – bearing rings and balls
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6205 25x52x15mm Chrome Steel Deep Gr...
Bearing Model: 6205
Type: Deep Groove Ball Bearing
Inner Diameter (d): 25 mm / 0.984 in
Outer Diameter (D): 52 mm / 2.047 in
Width (B): 15 mm / 0.591 in
Dynamic Load Rating (C): ~14 kN (approx.)
Static Load Rating (C0): ~7.8 kN (approx.)
Limiting Speed (grease lubrication): 8,000 – 12,000 RPM (depending on application)
Matériel: High-carbon chromium bearing steel (GCr15)
Cage: Riveted steel cage (or polyamide – please check variant)
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6301-2RS 25mm x 37mm x 12mm Double R...
Diamètre d'alésage (d): 25 mm
Outer Diameter (D): 37 mm
Width (B): 12 mm
Shaft Shoulder Diameter (da min): 28 mm
Housing Shoulder Diameter (Da max): 34 mm
Fillet Radius (ra max): 0.6 mm
Dynamic Load Rating (Cr): 12.0 kN
Static Load Rating (Cor): 6.65 kN
Limiting Speed (Grease Lubricated): 16,000 rpm
Limiting Speed (Oil Lubricated): 20,000 rpm
Weight: Approximately 0.045 kilos
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6701ZZ 12x18x4mm Thin Section Deep G...
6701ZZ Thin Section Deep Groove Ball Bearing – Ultra-thin cross-section design, chrome steel construction, low friction, high rotational accuracy. Ideal for robotics, medical equipment, precision instruments, stepper motors, and compact automation systems where space and weight are critical constraints.
Modèle: 6701ZZ
Type: Thin section deep groove ball bearing
Inner Diameter (d): 12 mm / 0.4724 in
Outer Diameter (D): 18 mm / 0.7087 in
Width (B): 4 mm / 0.1575 in
Seal Type: Double metal shields (ZZ)
Poids: 3g – 5g (approx.)
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6803 2RS ZZ à gorge profonde à section mince...
Our 6803 bearing is available in open, shielded (ZZ), or sealed (2RS) configurations to match your environmental requirements. The thin-section design provides engineers with greater flexibility in designing compact systems for semiconductor equipment, optical scanners, drone motors, and high-speed automation systems.
Dimensions: Alésage: 17 mm, Diamètre extérieur: 23 mm, Width: 4 mm
Dynamic Load Rating (Cr): 2.8 kN
Static Load Rating (Cor): 1.45 kN
Material:
Rings: Gcr15 Chrome Steel;
Balls: Silicon Nitride (Si3N4);
Cage: Reinforced Nylon 66/Stainless Steel (facultatif)
Max Operating Speed: Up to 40,000 RPM (grease lubricated)
Poids: Approximately 0.015 kilos (30% lighter than all-steel equivalents)
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681XZZ ABEC 9 1.5*4*2 mm Fingerboard...
Upgrade your fingerboard wheels with professional-grade bearings for smoother grinds, faster rolls, and consistent performance.
Dimensions:
Inner diameter (d): 1.5 mm
Outer diameter (D): 4 mm
Width (B): 2 mm
Material: High-grade GCr15 chrome steel – fully hardened (HRC 60–65) for wear resistance and dimensional stability
Rolling Elements: Precision-grade chrome steel balls (Grade G10 or better) – spherical accuracy ensures smooth, low-friction rotation
Cage (Retainer): Miniature stamped steel or nylon retainer – maintains consistent ball spacing without adding excessive drag
Shields: Double metal shields (ZZ design) – non-removable shields prevent dust, lint, and debris from entering the bearing while retaining lubricant
Precision Grade: ABEC-3 to ABEC-9 equivalent – sufficient for the high rotational speeds and light loads of fingerboarding
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688 8x16x4 mm Micro Hybrid Ceramic D...
688 Racing Bearing – 8x16x5mm, High-Speed Deep Groove Ball Bearing. Precision chrome steel construction, factory pre-lubricated. An ideal upgrade for RC cars, RC helicopters, RC planes, skateboards, in-line skates, and small motors.
Modèle: 688 (688ZZ / 688-2RS variants available)
Inner Diameter (d): 8 mm / 0.315 in
Outer Diameter (D): 16 mm / 0.630 in
Width (B): 5 mm / 0.197 in
Type: Deep groove miniature ball bearing
Precision Grade: ABEC-1 through ABEC-9 available
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6904 20x37x9mm Chrome Steel Thin Sec...
Le 69 series ultra-thin profile saves critical radial space while maintaining excellent load handling. Ideal for robotics, electric motors, bicycles, drones, medical devices, CNC spindles, and compact automation equipment.
Modèle: 6904 / 61904
Series: 69 Series / Extra Thin Series
Bore Diameter (d): 20 mm
Outer Diameter (D): 37 mm
Width (B): 9 mm
Weight: 0.036–0.040 kg
Material: Acier chromé
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980811NT Heavy Duty Forklift Mast Ro...
980811NT is a type of bearing specifically designed for the harsh environments encountered by forklifts and material handling equipment. This bearing boasts outstanding radial load-bearing capacity and durability.
Key Dimensions:
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- Diamètre d'alésage (d): 55 mm
- Diamètre extérieur (D): 80 mm
- Width (B): 23 mm
- Capacités de charge: Engineered for high radial load capacity. The dynamic load rating (Cr) and static load rating (Cor) are optimized to handle the significant weight and stress encountered in forklift wheel end applications.
- Précision & Clearance: Manufactured to standard (P0) or higher precision grades as required, with a radial internal clearance (C3/C4 is common) suitable for the press-fit mounting and thermal expansion typical in drive assemblies.
- Cage: Features a high-strength, precision-stamped steel cage. This design ensures precise roller guidance, excellent durability under high-speed and high-load conditions, and contributes to the long service life of the forklift bearing.
DIY Nail Art Charm High Speed 4x5x2....
Nail Charm Miniature Bearing – Ideal for nail charms, phone cases, scrapbooking, and kinetic jewelry crafts. Adds eye-catching movement to any project.
Dimensions (OD x ID x Thickness): 4 x 5 x 2.5 mm
Material: High-grade bearing steel / Copper alloy
Rotation Type: 360° continuous, low-friction
Structure: Deep groove ball bearing with steel balls and steel cage
Precision Grade: P0 (standard industrial grade)
Sealing Type: Seal / Shield (dust and humidity protection)
Color: Gold (most common), Silver (available on request)
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F686ZZ 6x13x5mm Chrome Steel Flanged...
F686ZZ Flange Ball Bearing - The integrated flange simplifies housing design and eliminates axial movement. Pre-lubricated, faible bruit, low friction. The ideal drop-in replacement for 6mm shafts in 3D printers, RC models, electric motors, robotics, and small machinery.
Key Dimensions:
Modèle: F686ZZ
Bore Diameter (d): 6 mm / 0.236 in
Outer Diameter (D): 13 mm / 0.512 in
Width (B): 5 mm / 0.197 in
Flange Diameter (D1): 15 mm / 0.591 in
Flange Thickness (C1): 1.1 mm
Radial Internal Clearance: CN (C0) Standard
Weight: approx. 2.2 – 3 g
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High Speed 1/4″x5/8″x0.1...
R4 is specifically designed to seamlessly integrate with mechanical equipment manufactured according to imperial (pouce) dimensions, and is suitable for markets that follow imperial standards.
Spécifications clés:
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- Diamètre d'alésage (d): 1/4 pouce (0.2500")
- Diamètre extérieur (D): 0.625 pouce (5/8")
- Width (B): 0.196 pouce
- Dynamic & Static Load Ratings: Engineered for reliable performance in its size class. The R4 offers a balanced dynamic (Cr) and static (Cor) load capacity suitable for its intended applications.
- Speed Ratings: Capable of moderate to high rotational speeds, with specific limits depending on the lubrication condition and operational environment
- Internal Clearance: Typically supplied with a standard radial internal clearance (C0/CN) suitable for most common applications. Other clearance groups can be specified for unique thermal or fit requirements.
- Sealing/Shielding Options: Supplied as open, or with metal shields (ZZ) or rubber seals (2RS) to retain grease and exclude contaminants.