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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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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ABEC 7 Hybrid Ceramic SMR623C 3X10X4...
Key Specifications:
Model: SMR623C
Dimensions: 3x10x4mm
Balls: Silicon Nitride (Si3N4) Ceramic
Races: 440C Stainless Steel (hardened to 58-60 HRC)
Tolerance: ABEC-7 (ISO P2 equivalent)
Seals: Dual Rubber Shields (RS)
Max RPM: 50,000+ (dry), 35,000+ (lubricated)
Applications: High-end spinning reels, baitcasters, conventional reels, tournament fishing
Zero Corrosion: Ceramic balls immune to rust and saltwater degradation.
Lighter Spool: 30% reduction in startup inertia for longer casts.
Low Maintenance: Self-lubricating design eliminates grease washout.
Enhanced Sensitivity: Smooth operation improves lure action and bite detection.
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Bicycle Wheel Hub Headset Thin Wall ...
Key Technical Parameters:
• Series: Standard 45° Angular Contact design (e.g., 41 Series, 42 Series)
• Dimensions: Comprehensive range covering common standards (e.g., 1", 1-1/8", 1.5" steerer tubes). Specific ID/OD/Width available per model.
• Material: Standard: Chrome Steel (SAE 52100); Premium: Martensitic Stainless Steel (AISI 440C).
• Ball Material: Grade 10 Chrome Steel or Si3N4 Ceramic (upgrade option).
• Cage: Reinforced Nylon 66 or precision-stamped steel cage for stability.
• Seals: Dual-purpose low-friction rubber seals or metal shields.
• Pre-Lubrication: High-performance, waterproof lithium-based grease.
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Custom Logo 608 Gold Titanium Skateb...
Dimensions: Standard 608 size (8mm Bore, 22mm Outer Diameter, 7mm Width).
Load Ratings: Dynamic Load Rating (Cr): 12 kN | Static Load Rating (Cor): 6.65 kN.
Speed: Engineered for high RPMs, allowing for incredible acceleration and sustained coasting speed that steel bearings cannot match.
Weight: Up to 30% lighter than all-steel bearings, reducing rotational mass for quicker wheel response and a more agile board feel.
Durability: The combination of materials makes these bearings virtually impervious to rust, corrosion, and wear from dirt and moisture. They perform consistently in wet or dry conditions.
Maintenance: Requires less frequent cleaning and lubrication than standard bearings. The included high-speed lubricant is optimized for the ceramic-steel interface.
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Customized 608 Colorful Skateboard H...
Dimensions: 8mm inner diameter × 22mm outer diameter × 7mm width
Ball Material: Silicon nitride (Si3N4) ceramic balls - lighter, harder, and smoother than steel balls
Races & Rings: High-precision chrome steel (GCr15), precision?ground for consistent tolerances
Surface Finish: Black oxide coating - provides enhanced corrosion resistance and a distinctive professional appearance
Cage: High-strength nylon or steel retainer (depending on variant) for stable ball spacing and reduced friction
Shields: Double-sealed or removable rubber shields to block dust, debris, and moisture while allowing easy cleaning
Precision Rating: ABEC-7 / ABEC-9 / ABEC-11 grade options available for smooth rolling and consistent performance
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EWC1008 10x16x8mm Stainless Steel On...
EWC1008 One-Way Needle Roller Bearing – Ideal for fishing reels, overrunning clutches, indexing mechanisms, and anti-reverse applications. Smooth operation, high torque capacity, compact design.
Technical Specifications & Design Features
Model: EWC1008
Type: One-Way Needle Roller Bearing / Drawn Cup Roller Clutch
Inner Diameter (Fw): 10 mm / 0.394 in
Outer Diameter (D1): 16 mm / 0.630 in
Width (B): 8 mm / 0.315 in
Number of Needle Rollers: 11 needles
Roller Configuration: Single row, full complement (no cage between rollers)
Outer Ring Shape: Hexagonal (6-sided) for wrench installation
Material: Stainless steel
Retainer / Spring Material: Nylon / Plastic reed (self-lubricating)
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High Speed SR144TiZN 3.175×6.35...
SR144TiZN High Speed Dental Handpiece Bearing – Hybrid Ceramic, ABEC-7/P4 Precision. Stainless steel rings (440C) with Silicon Nitride (Si3N4) ceramic balls. Torlon/Phenolic cage for heat resistance, speeds up to 450,000 RPM. Precision replacement for KaVo, NSK, W&H, Sirona, Midwest, Bien-Air and major dental handpiece brands. Delivers smoother operation, longer turbine life, and quieter performance.
Key Specifications:
Model: SR144TiZN
Type: Miniature deep groove ball bearing (hybrid ceramic)
Inner Diameter (ID / d): 3.175 mm (1/8 inch)
Outer Diameter (OD / D): 6.35 mm (1/4 inch)
Width (B): 2.38 mm (3/32 inch) or 2.78 mm (7/64 inch) [variant-dependent]
Ring Material: AISI 440C stainless steel
Ball Material: Silicon Nitride (Si3N4) ceramic
Precision Grade: ABEC-7 / ISO P4
Maximum Rotational Speed: 350,000 – 500,000 RPM
Weight: Approx. 0.2–0.4 grams
RPM: 400,000
Ceramic balls are standard in our high-end series for their lightweight properties, which reduce centrifugal force, lower heat generation, and enable higher maximum speeds.
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High-Speed 400 000 rpm Low-Noise Sta...
Our premium dental handpiece bearings are engineered to meet the extreme demands of modern dentistry. Designed for high-speed operation, exceptional quietness, and extended service life.
Key Specifications:
Model: SR144
Dimensions: 3.175x6.35x2.38 mm
Balls: Silicon Nitride (Si3N4) Ceramic
Races: 440C Stainless Steel (hardened to 58-60 HRC)
Tolerance: ABEC-7 (ISO P2 equivalent)
Seals: Dual Rubber Shields (RS) or Metal Seals
RPM: 400,000
Ceramic balls are standard in our high-end series for their lightweight properties, which reduce centrifugal force, lower heat generation, and enable higher maximum speeds.
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MH-P16 40x52x7mm Bicycle Headset Mou...
MH-P16 Headset Bearing – 40x52x7mm, 45°/45° Angular Contact, Double Sealed. Precision chrome steel construction, Campy-style interface, factory pre-lubricated drop-in replacement.
Model: MH-P16
Dimensions (ID × OD × Width): 40 × 52 × 7 mm
Inner Diameter (ID / d): 40 mm / 1.5748 in
Outer Diameter (OD / D): 52 mm / 2.0472 in
Width (B): 7 mm / 0.2756 in
Contact Angle / Chamfer: 45° on both sides (45°/45°)
Interface Type: Campy-style
Seal Type: Double rubber seals (2RS)
Material: Chrome steel
Cage Material: Nylon
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S693 3×8×4mm Stainless Steel Hybrid ...
S693 Stainless Steel Hybrid Ceramic Bearing – 3×8×4mm, Si3N4 Balls. ABEC-5 / ABEC-7 precision, 30% lighter and 40% stronger than steel balls, high corrosion resistance. Available in ZZ (shielded) or 2RS (sealed) configurations. Pre-lubricated for immediate use. Ideal for fishing reels, RC models (cars, helicopters), 3D printers, micro motors, medical devices, and harsh environment applications where high speed, low friction, and corrosion resistance are critical.
Model: S693?2RS
Inner Diameter (d): 3 mm
Outer Diameter (D): 8 mm
Width (B): 4 mm
Ring Material: stainless steel
Ball Material: Silicon nitride (Si3N4) ceramic
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SMR105 5X10X4 mm 2RS Hybrid Ceramic ...
The SMR105 hybrid ceramic bearing features precision stainless steel rings and silicon nitride (Si3N4) ceramic balls, specifically designed for baitcasting and spinning reels. They offer performance advantages that meet the demands of serious anglers. Cast further, retrieve more smoothly, and have greater confidence in fishing.
Technical Specifications & Design Features
Dimensions: 5mm inner diameter × 10mm outer diameter × 4mm width
Ball Material: Silicon nitride (Si3N4) ceramic – lightweight, ultra-hard, and virtually frictionless
Race Material: High-grade stainless steel – precision-ground for smooth rotation and dimensional accuracy
Cage (Retainer): High-strength nylon or stainless steel – optimized for low friction and consistent ball spacing
Shields: Double metal shields (ZZ) or rubber seals (2RS) – prevent debris ingress while allowing easy cleaning and re-lubrication
Precision Rating: ABEC-5 or ABEC-7 grade – ensures smooth rolling and minimal vibration during high-speed retrieves
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