608 8x22x7mm Hybrid Ceramic Small De...
608 Skateboard Bearings – 8x22x7mm, Full Customization Available. Choose your color, lubricant, cage material, seal type (ZZ/2RS), and precision grade (ABEC?7 to ABEC?11). Ideal for longboards, street skateboards, cruisers, electric skateboards, and inline skates.
Model: 608
Inner Diameter: 8 mm / 0.315 in
Outer Diameter: 22 mm / 0.866 in
Width: 7 mm / 0.276 in
Standard Material: Chrome steel / Stainless Steel
Balls Material: Steel or Ceramic (Zro2 / Si3n4)
Precision Grades Available: ABEC-7, ABEC-9, ABEC-11
Seal Options: ZZ (metal shields) / 2RS (rubber seals)
Logo: Custom
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608CE 8x22x7mm Zirconia Full Ceramic...
Dimensions: 8mm inner diameter × 22mm outer diameter × 7mm width
Ring & Ball Material: Zirconia (ZrO?): High fracture toughness, excellent wear resistance, ideal for moderate to high loads
Density: Approximately 40–60% lighter than steel, reducing centrifugal force and allowing higher rotational speeds
Corrosion Resistance: Inert to most acids, alkalis, salt water, and solvents – will never rust
Electrical Properties: Non-conductive (excellent electrical insulation), non-magnetic
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608ZZ Plastic Coated Pulley Silent U...
608ZZ Rubber Coated U-Groove Deep Groove Ball Bearing – Ultra-smooth rotation, shock-absorbing, low noise. 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: Chrome steel (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)
Material: High-carbon chromium bearing steel (GCr15)
Cage: Riveted steel cage (or polyamide – please check variant)
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623 3x10x4mm Full Ceramic Miniature ...
623 Full Ceramic Fishing Reel Bearing – All-silicon nitride rings and balls. Completely non-magnetic, electrically insulating, self-lubricating. Zero rust, zero maintenance, ultra-lightweight. The ultimate fishing reel upgrade for maximum casting distance, extreme smoothness, and unbreakable saltwater performance.
Model: 623 Full Ceramic (Si3N4)
Bearing Type: Deep Groove Ball Bearing
Inner Diameter (d): 3 mm
Outer Diameter (D): 10 mm
Width (B): 4 mm
Ring Material: Silicon Nitride (Si3N4)
Ball Material: Silicon Nitride (Si3N4)
Number of Balls: 7
Cage Material: PTFE (standard) / PEEK / Nylon / Phenolic
ABEC Precision Rating: ABEC-1 / ABEC-3 / ABEC-5 / ABEC-7 (per request)
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623 POM Plastic Bearings 3 x 10 x 4 ...
623 Plastic Ball Bearing – Maintenance-free, non-magnetic, corrosion-resistant. Ideal for food machinery, medical devices, electronics, chemical processing, and underwater applications where metal bearings fail. Silent, lightweight, and self-lubricating.
Type: Deep groove ball bearing (plastic radial bearing)
Inner Diameter (d): 3 mm / 0.1181 in
Outer Diameter (D): 10 mm / 0.3937 in
Width (B): 4 mm / 0.1575 in
Race / Ring Material: POM (Polyoxymethylene / Acetal) or PP (Polypropylene)
Ball Material: Glass (non-magnetic)
Cage (Retainer) Material: Nylon (Polyamide 66, often glass fiber reinforced)
Sealing Type: Open (no seals) – other options available upon request
Dynamic Load Rating: Low – suitable for light to medium loads
Maximum Speed: Moderate (limited by plastic material properties)
Operating Temperature: -20°C to +80°C (typical range)
Lubrication: Self-lubricating / Dry operation – no oil or grease required
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6301-2RS 25mm x 37mm x 12mm Double R...
Bore Diameter (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 kg
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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.
Model: 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)
Weight: 3g – 5g (approx.)
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6803 2RS ZZ Thin Section Deep Groove...
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: Bore: 17 mm, Outer Diameter: 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 (optional)
Max Operating Speed: Up to 40,000 RPM (grease lubricated)
Weight: Approximately 0.015 kg (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.
Model: 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...
The 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.
Model: 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: Chrome Steel
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