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609
Deep Groove Ball Bearing
609
Deep Groove Ball Bearing
A miniature single row deep groove ball bearing suitable for high-speed applications.
Price Match Promise
Found it cheaper elsewhere? We’ll match any UK competitor’s price on bearings in stock — call us before you buy.
Need pricing for this part?
This bearing is priced on application. Our team will get back to you with competitive pricing within 24 hours, no obligation.
A miniature single row deep groove ball bearing suitable for high-speed applications.
Price Match Promise
Found it cheaper elsewhere? We’ll match any UK competitor’s price on bearings in stock — call us before you buy.
Technical Dimensions & Load Ratings
Confirm these values match your shaft, housing and application requirements before ordering.
Dimensions
| Bore Diameter (d) | 45mm |
| Outer Diameter (D) | 58mm |
| Width (B) | 13mm |
| Weight | 0.016kg |
Load & Speed Ratings
| Dynamic Load Rating (Cr) | 3.3kN |
| Static Load Rating (C0r) | 1.37kN |
| Reference Speed | 38000rpm |
609
Deep Groove Ball Bearing
Technical Specifications
| Part Number | 609 |
| Brand | Koyo |
| Bearing Type | Deep Groove Ball Bearing |
| Seal Type | Open |
| Material | Chrome Steel |
| Cross-Reference | 609C3, 609Z, 609ZZ, 609ZZC3, 609ZZSS, 609QE6, 609-2RSR-C3, 609-2Z-C3 |
| Bore (Inner Diameter) | 45 mm |
| Outer Diameter | 58 mm |
| Width / Thickness | 13 mm |
| Dynamic Load Rating (Cr) | 3.3 kN |
| Static Load Rating (C0r) | 1.37 kN |
| Reference Speed | 38,000 rpm |
| Approximate Weight | 0.016 kg |
Enquire About the Koyo 609
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Technical Datasheet
Download full specifications for 609 — dimensions, load ratings, and material data.
Equivalent part numbers from other manufacturers that can be used as direct replacements for 609.
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About the Koyo 609
The Koyo 609, is a deep groove ball bearing, in an open configuration for maximum speed and easy relubrication, featuring a 45mm bore, 58mm outer diameter, and 13mm width, manufactured from chrome steel, and is extended stock at Buy Bearings.
A miniature single row deep groove ball bearing suitable for high-speed applications.
Key Specifications
The 609 deep groove ball bearing is specified with 45mm bore (inner diameter), 58mm outer diameter, 13mm width, 3.3kN dynamic load rating, 1.37kN static load rating, 38,000rpm reference speed, 0.016kg approximate weight. The Open sealing arrangement protects against contamination and retains lubricant for extended service life. The chrome steel construction provides excellent wear resistance and durability in demanding operating conditions.
Common Applications
Deep Groove Ball Bearings are commonly used in:
About Deep Groove Ball Bearings
Deep groove ball bearings are the most widely used bearing type, capable of carrying both radial and axial loads in either direction. Their low friction and high speed capability makes them suitable for a broad range of applications from electric motors to household appliances.
Why Buy the 609 from Buy Bearings?
- UK-authorised distributor with genuine Koyo products
- Expert technical support from our engineering team
- Competitive pricing with fast UK dispatch
- Full technical datasheet and cross-reference support
- 30-day returns on standard products
Frequently Asked Questions
What is a 609 bearing?
The 609 is a Koyo Deep Groove Ball Bearing with a 45mm bore, 58mm outer diameter and 13mm width. It is Extended Stock at Buy Bearings.
What are the 609 dimensions?
The 609 measures 45mm bore (inner diameter) × 58mm outer diameter × 13mm width.
What does Open mean on a bearing?
Open bearings have no seals or shields, allowing maximum speed and easy relubrication — best for clean, lubricated environments.
What is the 609 cross-reference?
The 609 is interchangeable with 609C3, 609Z, 609ZZ, 609ZZC3, 609ZZSS, 609QE6, 609-2RSR-C3, 609-2Z-C3. Contact our team to confirm an exact equivalent for your application.
Is the 609 in stock?
The 609 is Extended Stock at Buy Bearings. Submit an enquiry or call our sales team for current stock and pricing (POA).
Related & Compatible Bearings
Same deep groove ball bearing, closest dimensions first — useful if you need a slightly different size or this part is unavailable.
Related Parts — Seals & Bushings
Matching seals and bushings for 45mm shaft diameter — complementary components for your bearing.
