Deep Groove Ball Bearings Supplier

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

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)

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

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.)

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)

681XZZ ABEC 9 1.542 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

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

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

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:

Bore Diameter (d): 55 mm
Outer Diameter (D): 80 mm
Width (B): 23 mm
Load Ratings: 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.
Precision & 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)

F686ZZ 6x13x5mm Chrome Steel Flanged...

F686ZZ Flange Ball Bearing - The integrated flange simplifies housing design and eliminates axial movement. Pre-lubricated, low noise, low friction. The ideal drop-in replacement for 6mm shafts in 3D printers, RC models, electric motors, robotics, and small machinery. Key Dimensions: Model: 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

High Speed 1/4″x5/8″x0.1...

R4 is specifically designed to seamlessly integrate with mechanical equipment manufactured according to imperial (inch) dimensions, and is suitable for markets that follow imperial standards. Key Specifications:

Bore Diameter (d): 1/4 inch (0.2500")
Outer Diameter (D): 0.625 inch (5/8")
Width (B): 0.196 inch
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.