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688 DDIM C3
Bearing
688 DDIM C3
Bearing
NSK Bearing with Open seals. A versatile bearing suitable for a range of mechanical applications. Manufactured from Chrome Steel (SAE 52100) for durability and long service life. In Stock at Buy Bearings. Order by 1pm for next-day UK dispatch.
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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.
NSK Bearing with Open seals. A versatile bearing suitable for a range of mechanical applications. Manufactured from Chrome Steel (SAE 52100) for durability and long service life. In Stock at Buy Bearings. Order by 1pm for next-day UK dispatch.
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) | 8mm |
| Outer Diameter (D) | 16mm |
| Width (B) | 4mm |
688 DDIM C3
Bearing
Technical Specifications
| Part Number | 688 DDIM C3 |
| Brand | NSK |
| Bearing Type | Bearing |
| Seal Type | Open |
| Material | Chrome Steel (SAE 52100) |
| Cross-Reference | 688/4ZZ, 688/6ZZSS, 688ZZSS, 688ZZC2 |
| Bore (Inner Diameter) | 8 mm |
| Outer Diameter | 16 mm |
| Width / Thickness | 4 mm |
Enquire About the NSK 688 DDIM C3
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Technical Datasheet
Download full specifications for 688 DDIM C3 — dimensions, load ratings, and material data.
NSK Technical Resources
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Engineering support
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About the NSK 688 DDIM C3
The NSK 688 DDIM C3, is a bearing, in an open configuration for maximum speed and easy relubrication, featuring a 8mm bore, 16mm outer diameter, and 4mm width, manufactured from chrome steel (sae 52100), and is in stock at Buy Bearings.
NSK Bearing with Open seals. A versatile bearing suitable for a range of mechanical applications. Manufactured from Chrome Steel (SAE 52100) for durability and long service life. In Stock at Buy Bearings. Order by 1pm for next-day UK dispatch.
Key Specifications
The 688 DDIM C3 bearing is specified with 8mm bore (inner diameter), 16mm outer diameter, 4mm width. The Open sealing arrangement protects against contamination and retains lubricant for extended service life. The chrome steel (sae 52100) construction provides excellent wear resistance and durability in demanding operating conditions.
Common Applications
Bearings are commonly used in:
Why Buy the 688 DDIM C3 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 688 DDIM C3 bearing?
The 688 DDIM C3 is a NSK Bearing with a 8mm bore, 16mm outer diameter and 4mm width. It is In Stock at Buy Bearings.
What are the 688 DDIM C3 dimensions?
The 688 DDIM C3 measures 8mm bore (inner diameter) × 16mm outer diameter × 4mm 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 688 DDIM C3 cross-reference?
The 688 DDIM C3 is interchangeable with 688/4ZZ, 688/6ZZSS, 688ZZSS, 688ZZC2. Contact our team to confirm an exact equivalent for your application.
Is the 688 DDIM C3 in stock?
The 688 DDIM C3 is In Stock at Buy Bearings. Submit an enquiry or call our sales team for current stock and pricing (POA).
Related & Compatible Bearings
Same 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 8mm shaft diameter — complementary components for your bearing.
