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THK NAST25

Roller Follower

Extended Stock2–5 day dispatch
POA
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THK NAST25 needle roller follower, 25mm ID, 37mm OD, 20mm width. Large roller follower for heavy industrial guide applications.

Technical Dimensions & Load Ratings

Confirm these values match your shaft, housing and application requirements before ordering.

Dimensions

Bore Diameter (d)25mm
Outer Diameter (D)37mm
Width (B)20mm
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Extended Stock2–5 day dispatch

THK NAST25

Roller Follower

POA
Price on Application

Technical Specifications

Identification
Part NumberTHK NAST25
BrandTHK
Bearing TypeRoller Follower
Seal TypeOpen
Dimensions
Bore (Inner Diameter)25 mm
Outer Diameter37 mm
Width / Thickness20 mm

Enquire About the THK THK NAST25

Get a competitive quote within 24 hours — no obligation. Our engineering team can help with specifications, cross-references, and volume pricing.

Buy Bearings Support

Engineering support

Our experienced MRO products specialists are on hand to offer practical solutions to your problems and can assist with an on-site visit.

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About the THK THK NAST25

The THK THK NAST25, is a roller follower, in an open configuration for maximum speed and easy relubrication, featuring a 25mm bore, 37mm outer diameter, and 20mm width, and is extended stock at Buy Bearings.

THK NAST25 needle roller follower, 25mm ID, 37mm OD, 20mm width. Large roller follower for heavy industrial guide applications.

Key Specifications

The THK NAST25 roller follower is specified with 25mm bore (inner diameter), 37mm outer diameter, 20mm width. The Open sealing arrangement protects against contamination and retains lubricant for extended service life.

Common Applications

Roller Followers are commonly used in:

heavy machinerygearboxesconveyorsmining equipmentindustrial drives

Why Buy the THK NAST25 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 NAST25 bearing?

The THK NAST25 is a THK Roller Follower with a 25mm bore, 37mm outer diameter and 20mm width. It is Extended Stock at Buy Bearings.

What are the THK NAST25 dimensions?

The THK NAST25 measures 25mm bore (inner diameter) × 37mm outer diameter × 20mm 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 NAST25 in stock?

The THK NAST25 is Extended Stock at Buy Bearings. Submit an enquiry or call our sales team for current stock and pricing (POA).