W 617/9 R
W Series Stainless Steel Flanged Miniature Bearings
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Part No.
Part No.
W 617/9 R
Basic Information
Bearing type
Ball
System of measurement
Metric
Construction
Single Row
Weight
0.0013 kg
Tolerance class
P0
Seal type
Open
For load direction
Radial
Main Dimensions
Bore diameter
9 mm
Bore diameter tolerance
-0.008mm to 0
Outside diameter
14 mm
Outside diameter tolerance
-0.008mm to 0
Width
3 mm
Width tolerance
-0.12mm to 0
Outer Ring Dimensions
Flange outer diameter
15.5 mm
Flange thickness
0.8 mm
Performance
Temperature range
-30° to 120 °C
Radial dynamic load rating
117 lbf
Radial static load rating
53 lbf
Limiting speed
60 X 1000 rpm
Lubrication
None
Radial internal clearance
CN
Materials
Ring material
Stainless Steel
Ball material
Stainless Steel
Cage material
Stainless Steel
Environment & Compliance
REACH
Compliant
ROHS
Compliant
Technical Drawings
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W 617/9 R Bearing Product Overview & Core Advantages
The W 617/9 R is a single row deep groove ball bearing designed for compact applications requiring high precision and reliability. This metric bearing features an open design and is constructed entirely from stainless steel, offering excellent corrosion resistance. Its core advantages include a high limiting speed of 60,000 rpm and the ability to accommodate primarily radial loads. The compact bearing dimensions (9 mm bore, 14 mm OD, 3 mm width) and integrated flange for secure mounting make it ideal for space-constrained, high-speed assemblies.
Model Code Breakdown
| Code Segment | Technical Meaning |
|---|---|
| W | Stainless Steel Bearing Series |
| 617 | Deep Groove Ball Bearing Designation |
| 9 | Bore Diameter (9 mm) |
| R | Flange on Outer Ring |
W 617/9 R Bearing Structural Features & Performance Benefits
- High-Speed Capability: The combination of a stainless steel cage, open seal type, and precision grinding enables a very high limiting speed of 60,000 rpm, making it a true high-speed bearing.
- Corrosion Resistance: Manufactured entirely from stainless steel (rings, balls, and cage), this bearing is suitable for applications exposed to moisture or corrosive environments, ensuring long service life.
- Easy Mounting & Positioning: The integrated flange on the outer ring (Flange outer diameter: 15.5 mm) simplifies axial positioning and secure housing fit, reducing assembly time and cost.
- Precision Performance: Built to P0 tolerance class and standard CN radial internal clearance, this precision bearing provides reliable and consistent operation in demanding applications.
W 617/9 R Bearing Typical Application Areas
This bearing is ideally suited for:
- Small Precision Motors and Stepper Motors
- Medical Devices and Dental Handpieces
- Office Automation Equipment (e.g., printers, scanners)
- Instrumentation and Optical Encoders
- Various Low-Torque, High-Speed mechanisms
