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6308DDU
Deep Groove Ball Bearing
6308DDU
Deep Groove Ball Bearing
Heavy-duty deep groove ball bearing with double rubber seals, suitable for higher load industrial motor 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.
Heavy-duty deep groove ball bearing with double rubber seals, suitable for higher load industrial motor 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) | 40mm |
| Outer Diameter (D) | 90mm |
| Width (B) | 23mm |
| Weight | 0.64kg |
Load & Speed Ratings
| Dynamic Load Rating (Cr) | 40.5kN |
| Static Load Rating (C0r) | 24kN |
| Reference Speed | 5600rpm |
6308DDU
Deep Groove Ball Bearing
Technical Specifications
| Part Number | 6308DDU |
| Brand | NSK |
| Bearing Type | Deep Groove Ball Bearing |
| Seal Type | 2RS |
| Material | Chrome Steel |
| Bore (Inner Diameter) | 40 mm |
| Outer Diameter | 90 mm |
| Width / Thickness | 23 mm |
| Dynamic Load Rating (Cr) | 40.5 kN |
| Static Load Rating (C0r) | 24 kN |
| Reference Speed | 5,600 rpm |
| Approximate Weight | 0.64 kg |
Enquire About the NSK 6308DDU
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Technical Datasheet
Download full specifications for 6308DDU — dimensions, load ratings, and material data.
NSK Technical Resources
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About the NSK 6308DDU
The NSK 6308DDU, is a deep groove ball bearing, with double rubber seals for life-lubricated, low-maintenance operation, featuring a 40mm bore, 90mm outer diameter, and 23mm width, manufactured from chrome steel, and is extended stock at Buy Bearings.
Heavy-duty deep groove ball bearing with double rubber seals, suitable for higher load industrial motor applications.
Key Specifications
The 6308DDU deep groove ball bearing is specified with 40mm bore (inner diameter), 90mm outer diameter, 23mm width, 40.5kN dynamic load rating, 24kN static load rating, 5,600rpm reference speed, 0.64kg approximate weight. The 2RS 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 6308DDU from Buy Bearings?
- UK-authorised distributor with genuine NSK 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 6308DDU bearing?
The 6308DDU is a NSK Deep Groove Ball Bearing with a 40mm bore, 90mm outer diameter and 23mm width. It is Extended Stock at Buy Bearings.
What are the 6308DDU dimensions?
The 6308DDU measures 40mm bore (inner diameter) × 90mm outer diameter × 23mm width.
What does 2RS mean on a bearing?
2RS (two rubber seals) bearings are sealed and lubricated for life — they keep dust and moisture out and need no relubrication, making them ideal for most general-purpose applications.
Is the 6308DDU in stock?
The 6308DDU 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 40mm shaft diameter — complementary components for your bearing.
