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:
Diametro del foro (D): 1/4 inch (0.2500")
Diametro esterno (D): 0.625 inch (5/8")
Larghezza (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 (Z.Z) o guarnizioni in gomma (2RS) to retain grease and exclude contaminants.
Miniature Deep Groove Ball Bearings for Nail Machines – Precision P5 grade, ultra-low noise ≤20dB, speeds up to 50,000 giri al minuto. Low vibration, low temperature rise, smooth rotation. Pre-lubricated and ready to install. Perfect for electric nail files, nail printers, manicure drills, and beauty handpieces where quiet, comfortable, and reliable performance matters most.
Dimensioni: 3×8×4mm, 3×10×4mm, 6×10×3mm, 8×14×4mm.
Materiale: Chrome Steel / Stainless Steel
Grease Speed Limit: 40,000+ RPM
Seal Type: Z.Z (metal shield)
Precision Grade: P5
Noise Level: ≤20 dB
Dimensioni: Bore: 9 mm, Diametro esterno: 24 mm, Larghezza: 7 mm.
Full Material: Silicon Nitride (Si3N4) for all components.
Seals: PEEK cage
Operating Temperature: Withstands continuous operation from -60°C to over 800°C without degrading performance or losing pre-load.
Carica valutazioni: While excellent for its material, note that ceramic has lower load ratings than steel. Dynamic Load (Cr): ~1.8 kN, Static Load (Cor): ~0.9 kN. Its superiority lies in its environmental resistance, not pure load capacity.
The MR52 is a high-performance miniature ball bearing, expertly engineered for applications where space is limited but performance is critical.
Key Specifications:
Diametro del foro (D): 2 mm
Diametro esterno (D): 5 mm
Larghezza (B): 1.5 mm
Carica valutazioni: Despite its miniature size, the MR52 is engineered to handle meaningful loads for its scale. Its dynamic (Cr) and static (Cor) load ratings make it suitable for a range of light-duty, high-precision applications. Exact values are detailed in our technical documentation.
Speed Ratings: Capable of very high rotational speeds, which are essential for applications like small DC motors and high-speed spindles in dental or laboratory tools.
Our premium dental handpiece bearings are engineered to meet the extreme demands of modern dentistry. Designed forad alta velocitàoperation, exceptional quietness, and extended service life.
Key Specifications:
Modello: SR144
Dimensions: 3.175x6.35x2.38 mm
Balls: Silicon Nitride (Si3N4) Ceramic
Races: 440C Stainless Steel (indurito a 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 theirlightweightproperties, which reduce centrifugal force, lower heat generation, and enablehigher maximum speeds.
This premium Drawn Cup Needle Roller Bearing is particularly suitable for automotive transmissions, motorcycle engines, industrial gearboxes, macchine agricole, and electric tools. The bearing can be press-fit into housing bores without additional machining, simplifying installation and reducing assembly costs. Special surface treatments for enhanced run-in performance and corrosion resistance.
Specifiche tecniche:
Dimensioni: 25x30x16 mm (Bore x OD x Width)
Indice di carico dinamico: 22.5 kN
Static Load Rating: 31.0 kN
Material: Case-hardened low-carbon steel cup (62-66 HRC)
Needle Rollers: Through-hardened chrome steel (61-65 HRC)
Radial Clearance: Standard C0 group
Operating Temperature: -30°C to +120°C
Weight: 0.028 kg
Hybrid Ceramic Ball Bearing – Zirconia Balls, Chrome Steel Races. Superior corrosion resistance, electrical insulation, fino a 50% longer service life. Lower friction, reduced heat generation, higher speed capability. Ideal for electric motors, pompe, 3D printers, robotica, dispositivi medici, and high-performance equipment where speed, durabilità, and reliability are critical.
Cage (Fermo) Materials Available:PEEK – High-temperature applications up to 250°C; excellent chemical resistance
Nylon / PA66 – Standard lightweight option for most applications
PTFE – Maximum chemical resistance and low friction
Brass / Steel – High-load, high-temperature applications
Il cuscinetto a rullini K232814 è un gruppo gabbia radiale ad alte prestazioni progettato per spazi compatti e ambienti con carico elevato. Progettato con una gabbia in poliammide gialla (PA66), questo cuscinetto offre una stabilità eccezionale, attrito ridotto, e resistenza al calore superiore rispetto alle gabbie in acciaio standard.
Modello: K232814 (Gruppo rullini radiali e gabbia)
Diametro interno (Fw): 23 mm
Outside Diameter (Ehm): 28 mm
Width (A.C): 14 mm
Roller Material: Acciaio al cromo ad alto tenore di carbonio (GCr15)
Materiale della gabbia: Poliammide rinforzata PA66 (Giallo)
Valutazione di precisione: P6 / ABEC-3 (Disponibile come optional una maggiore precisione)
KA020XP0 Thin Section Bearing-Chrome steel construction, brass cage, open design, ABEC-1 precision. Ideal for robotics, aerospace actuators, medical imaging devices, rotary tables and precision automation where space and weight are critical constraints.
Key Specifications:
Modello: KA020XP0
Bore Diameter (D): 2.000 inches / 50.800 mm
Outside Diameter (D): 2.500 inches / 63.500 mm
Width (B): 0.250 inches / 6.350 mm
Cross?section (constant): 0.25 × 0.25 inches
Number of rows: Single
Contact angle: 30°
Ring & Ball Material: Chrome bearing steel (AISI 52100 / GCr15)
Materiale della gabbia: Brass (standard formed ring “snap?over” type)
Seal Type: Aprire (no seals)
Precision Grade: ABEC?1 (P0) – higher grades available on request
Weight: 0.048kg