Leave A Message
If you are interested in our products and want to know more details,please leave a message here,we will reply you as soon as we can.
Submit
69 Series
Home Deep Groove Ball Bearings 69 Series

6905-2RS Sealed Ultra-Thin Deep Groove Ball Bearing | 25x42x9 mm for General Industrial Use

6905-2RS Sealed Ultra-Thin Deep Groove Ball Bearing | 25x42x9 mm for General Industrial Use

The 6905-2RS is a Double Rubber-Sealed Ultra-Thin Series Deep Groove Ball Bearing designed to deliver reliable performance in space-constrained applications that also require environmental protection. Fitted with two effective rubber contact seals (2RS), it guards against dust, moisture, and contaminants while retaining grease for extended service life. With a 25 mm bore and a slender 9 mm width, this bearing is an excellent choice for compact motors, gearboxes, actuators, and other light industrial or automotive mechanisms operating in potentially harsh conditions.

6905-2RS Deep Groove Ball Bearing 25×42×9 mm | 69 Series – Ultra-Thin | Double Rubber Sealed

Building on the slim profile concept of the 69 series, the 6905-2RS offers increased load capacity and rigidity without a significant increase in space requirements. Well-suited for general industrial equipment where space is limited but load demands are higher. It is designed for smooth operation at speeds up to 16,000 r/min (oil). The standard double rubber contact seals (2RS) effectively repel contaminants, making this bearing a dependable option for light-duty drives, industrial fans, and other applications where maintenance access is infrequent.

6905-2RS Sealed Ultra-Thin Deep Groove Ball Bearing for Compact Industrial and Automotive Drives | 25×42×9 Mm

Comprehensive Applications

Suited for a variety of applications where a slim profile and sealing are critical:

Compact Motors & Drives
  • Small Industrial and Gear Motors
  • Servo and Stepper Motor Assemblies
  • Encoder and Positioning System Supports
Appliance & Consumer Products
  • Appliance Drive Motors (Fans, Pumps)
  • Office Automation Equipment (Printers, Scanners)
  • Power Tool Gearboxes
Automotive & Mobility Components
  • Automotive Actuators, Damper Motors, and Small Pumps
  • E-Bike and Personal Mobility Drive Units
  • Sensor and Control Module Rotations
Precision & General Machinery
  • Medical and Dental Handpiece Drives
  • Packaging and Labeling Machine Guides
  • Light Conveyor and Material Handling Rollers

Key Performance Features

01.  Reliable Sealing for Harsh Environments

Two integrated rubber contact seals (2RS) provide effective protection against dust, splash, and humidity, extending component life in demanding operating conditions.

02. Smooth & Quiet Operation

Manufactured from precision-ground chrome steel with optimized internal geometry, this bearing ensures low noise, minimal vibration, and consistent running accuracy.

03. Ultra-Thin, Space-Saving Construction

With a width of only 9 mm, the 6905-2RS allows for significant design compactness and weight reduction in applications where axial space is at a premium.

Technical Specifications

Bearing Type Single Row Deep Groove Ball Bearing
ISO Dimension Series 69 Series – Extra Thin
Basic Designation 6905
Suffix 2RS (Double Rubber Contact Seals)
Bore Diameter (d) 25 mm
Outer Diameter (D) 42 mm
Width (B) 9 mm
Material (Races & Balls) Chrome Steel (GCr15 / SAE 52100)
Precision Class Standard / P5 Grade Available
Cage Material Steel Stamped
Dynamic Load Rating (Cʳ) 7.65 kN
Static Load Rating (C₀ʳ) 3.95 kN
Limiting Speed (Grease) 13,000 r/min
Limiting Speed (Oil) 16,000 r/min
Weight (approx.) 48 g

Interchange Part Numbers

Common manufacturer equivalents include:

  • SKF: 6905-2RS
  • NSK: 6905DDU
  • FAG: 6905-2RSR
  • NTN: 6905LLU
  • KOYO: 6905LLB

Design & Configuration

The 6905-2RS is delivered with two rubber contact seals as standard, ensuring robust defense against light moisture, dust, and common industrial contaminants. This makes it a versatile choice for a wide range of mechanical applications. For scenarios demanding extremely high rotational speeds within clean, dry operating conditions, an alternative double metal-shielded version (6905-ZZ) can significantly reduce friction.

"A robust and dependable bearing choice for auxiliary automotive components, light industrial drives, and general machinery where space efficiency and long-term reliability against environmental factors are paramount."

Related Products

Precision 6901-2RS Ultra-Thin Sealed Bearing compatible with SKF, NSK, and FAG for Small Motors and Compact Drives
6901-2RS Sealed Ultra-Thin Deep Groove Ball Bearing for Compact & Lightweight Applications | 12×24×6 Mm

The 6901-2RS is a Double Rubber-Sealed Ultra-Thin Section Deep Groove Ball Bearing designed for space-sensitive applications requiring reliable sealing and low-profile design. Equipped with two rubber contact seals (2RS), it effectively shields against dust, moisture, and contaminants while retaining grease for extended service. Featuring a 12 mm bore and an exceptionally slim 6 mm width, this bearing is ideal for small motors, precision instruments, and compact mechanisms where axial space is limited.

Details
6902-ZZ Ultra‑Slim Ball Bearing Featuring Non‑Contact Steel Shields for Low‑Friction Operation
6902-ZZ Shielded Ultra-Thin Deep Groove Ball Bearing for High-Speed Compact Mechanisms | 15×28×7 Mm

The 6902-ZZ is a Double Metal-Shielded Ultra-Thin Series Deep Groove Ball Bearing engineered for applications demanding a slim profile, high rotational speeds, and effective dust protection. Featuring two non-contact steel shields (ZZ) on both sides, it guards against dry contaminants while minimizing friction and heat generation. With a 15 mm bore and an exceptionally low 7 mm cross-section, this bearing is perfectly suited for small motors, precision spindles, and space-constrained devices where reliable high-speed performance is essential.

Details
6903-2RS Ball Bearing with Double Rubber Seals for Contamination Protection in Ultra-Thin Applications
6903-2RS Sealed Ultra-Thin Deep Groove Ball Bearing | 17x30x7 mm for Compact Applications

The 6903-2RS is a Double Rubber-Sealed Ultra-Thin Series Deep Groove Ball Bearing designed for applications where space constraints and environmental protection are equally critical. Equipped with two effective rubber contact seals (2RS), it provides reliable defense against dust, moisture, and fine contaminants while retaining lubrication. Featuring a 17 mm bore and a slim 7 mm width, this bearing is an excellent choice for compact motors, precision instruments, and small mechanisms operating in potentially contaminated or humid conditions.

Details
6904-2RS Ball Bearing with Double Rubber Seals for Contamination and Moisture Protection in Ultra-Thin Applications
6904-2RS Sealed Ultra-Thin Deep Groove Ball Bearing for Precision Compact Mechanisms | 20×37×9 Mm

The 6904-2RS is a Double Rubber-Sealed Ultra-Thin Deep Groove Ball Bearing engineered for applications requiring a slender profile along with reliable contamination protection. Fitted with two rubber contact seals (2RS) on both sides, it effectively shields against dust, moisture, and fine particles while maintaining internal lubrication. With a 20 mm bore and a slim 9 mm width, this bearing offers an ideal solution for compact motors, precision equipment, and small devices where space savings and environmental sealing are essential.

Details
High-Speed 16000 RPM 6905-2RS Bearing – Chrome Steel Slim 9mm Design for Automotive and Industrial Drives
6905-2RS Sealed Ultra-Thin Deep Groove Ball Bearing | 25x42x9 mm for General Industrial Use

The 6905-2RS is a Double Rubber-Sealed Ultra-Thin Series Deep Groove Ball Bearing designed to deliver reliable performance in space-constrained applications that also require environmental protection. Fitted with two effective rubber contact seals (2RS), it guards against dust, moisture, and contaminants while retaining grease for extended service life. With a 25 mm bore and a slender 9 mm width, this bearing is an excellent choice for compact motors, gearboxes, actuators, and other light industrial or automotive mechanisms operating in potentially harsh conditions.

Details
6908-2RS Thin-Section Ball Bearing showing Double Rubber Contact Seals for Dust and Moisture Protection in Automation and Robotics Applications.
6908-2RS Sealed Deep Groove Ball Bearing for Thin-Section Applications & Precision Drives | 40×62×12 Mm

The 6908-2RS is a Double Rubber-Sealed Extra-Light Series Deep Groove Ball Bearing engineered for applications demanding minimal cross-section with reliable contamination protection. Featuring two rubber contact seals (2RS) on both sides, it effectively shields against dust, moisture, and fine particles while preserving internal lubrication. With a 40 mm bore and a slim 12 mm width, this bearing is an excellent choice for compact machinery, precision instruments, and light-duty drive systems where sealing integrity and space efficiency are equally important .

Details
Precision 695-2RS ball bearing 5x13x4 mm chrome steel GCr15 for power tools and small electric motors
695-2RS Sealed Miniature Ball Bearing For Medical & Laboratory Equipment | 5×13×4 mm

Engineered for compact rotary assemblies requiring maintenance-free operation and enhanced protection, the 695-2RS is a precision miniature ball bearing featuring a 5 mm bore, 13 mm outer diameter, and a 4 mm width. This model belongs to the 6900 series, renowned for its lightweight design and suitability for high-speed applications. The integrated dual rubber seals (2RS) provide an effective barrier against fine dust and moisture while retaining a precisely measured charge of high-speed lithium-based grease, ensuring consistent performance in space-constrained environments.

Details
High Speed 45000 RPM 695-ZZ Bearing - GCr15 Chrome Steel for Electric Motors and RC Transmissions
695-ZZ Miniature Deep Groove Ball Bearing | Versatile Shielded Bearing for Compact Drives | 5×13×4 mm

The 695-ZZ is a versatile metric miniature ball bearing engineered for mechanical systems requiring a balance of compact dimensions and reliable load capacity. Featuring dual metal shields (ZZ), this bearing provides effective protection against contamination while retaining the benefits of low-friction operation. With a 5mm bore, 13mm outer diameter, and 4mm width, it serves as a fundamental component for electric motors, automotive accessories, and precision desktop machinery.

Details

Leave A Message

Leave A Message
If you are interested in our products and want to know more details,please leave a message here,we will reply you as soon as we can.
Submit

Home

Products

whatsApp

contact