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THK RA20
Cross Roller Bearing
THK RA20
Cross Roller Bearing
THK RA20 cross roller bearing, 20x42x10mm. Large cross roller bearing for heavy-duty rotary stages and precision indexing.
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THK RA20 cross roller bearing, 20x42x10mm. Large cross roller bearing for heavy-duty rotary stages and precision indexing.
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) | 20mm |
| Outer Diameter (D) | 42mm |
| Width (B) | 10mm |
THK RA20
Cross Roller Bearing
Technical Specifications
| Part Number | THK RA20 |
| Brand | THK |
| Bearing Type | Cross Roller Bearing |
| Seal Type | Open |
| Bore (Inner Diameter) | 20 mm |
| Outer Diameter | 42 mm |
| Width / Thickness | 10 mm |
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Technical Datasheet
Download full specifications for THK RA20 — dimensions, load ratings, and material data.
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About the THK THK RA20
The THK THK RA20, is a cross roller bearing, in an open configuration for maximum speed and easy relubrication, featuring a 20mm bore, 42mm outer diameter, and 10mm width, and is in stock at Buy Bearings.
THK RA20 cross roller bearing, 20x42x10mm. Large cross roller bearing for heavy-duty rotary stages and precision indexing.
Key Specifications
The THK RA20 cross roller bearing is specified with 20mm bore (inner diameter), 42mm outer diameter, 10mm width. The Open sealing arrangement protects against contamination and retains lubricant for extended service life.
Common Applications
Cross Roller Bearings are commonly used in:
Why Buy the THK RA20 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 RA20 bearing?
The THK RA20 is a THK Cross Roller Bearing with a 20mm bore, 42mm outer diameter and 10mm width. It is In Stock at Buy Bearings.
What are the THK RA20 dimensions?
The THK RA20 measures 20mm bore (inner diameter) × 42mm outer diameter × 10mm 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 RA20 in stock?
The THK RA20 is In Stock at Buy Bearings. Submit an enquiry or call our sales team for current stock and pricing (POA).
Related Parts — Seals & Bushings
Matching seals and bushings for 20mm shaft diameter — complementary components for your bearing.
