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THK NAST12
Roller Follower
THK NAST12
Roller Follower
THK NAST12 needle roller follower, 12mm ID, 21mm OD, 15mm width. Precision roller follower for indexing and guide mechanisms.
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THK NAST12 needle roller follower, 12mm ID, 21mm OD, 15mm width. Precision roller follower for indexing and guide mechanisms.
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) | 12mm |
| Outer Diameter (D) | 21mm |
| Width (B) | 15mm |
THK NAST12
Roller Follower
Technical Specifications
| Part Number | THK NAST12 |
| Brand | THK |
| Bearing Type | Roller Follower |
| Seal Type | Open |
| Bore (Inner Diameter) | 12 mm |
| Outer Diameter | 21 mm |
| Width / Thickness | 15 mm |
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Technical Datasheet
Download full specifications for THK NAST12 — dimensions, load ratings, and material data.
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About the THK THK NAST12
The THK THK NAST12, is a roller follower, in an open configuration for maximum speed and easy relubrication, featuring a 12mm bore, 21mm outer diameter, and 15mm width, and is in stock at Buy Bearings.
THK NAST12 needle roller follower, 12mm ID, 21mm OD, 15mm width. Precision roller follower for indexing and guide mechanisms.
Key Specifications
The THK NAST12 roller follower is specified with 12mm bore (inner diameter), 21mm outer diameter, 15mm width. The Open sealing arrangement protects against contamination and retains lubricant for extended service life.
Common Applications
Roller Followers are commonly used in:
Why Buy the THK NAST12 from Buy Bearings?
- UK-authorised distributor with genuine THK 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 THK NAST12 bearing?
The THK NAST12 is a THK Roller Follower with a 12mm bore, 21mm outer diameter and 15mm width. It is In Stock at Buy Bearings.
What are the THK NAST12 dimensions?
The THK NAST12 measures 12mm bore (inner diameter) × 21mm outer diameter × 15mm 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.
Is the THK NAST12 in stock?
The THK NAST12 is In Stock at Buy Bearings. Submit an enquiry or call our sales team for current stock and pricing (POA).
Related & Compatible Bearings
Same roller follower, 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 12mm shaft diameter — complementary components for your bearing.
