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NK25/16
Machined Needle Roller Bearing
NK25/16
Machined Needle Roller Bearing
Machined needle roller bearing without an inner ring, designed for high radial load capacity in compact spaces.
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Machined needle roller bearing without an inner ring, designed for high radial load capacity in compact spaces.
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) | 25mm |
| Outer Diameter (D) | 33mm |
| Width (B) | 16mm |
| Weight | 0.042kg |
Load & Speed Ratings
| Dynamic Load Rating (Cr) | 18.6kN |
| Static Load Rating (C0r) | 32.5kN |
| Reference Speed | 13000rpm |
NK25/16
Machined Needle Roller Bearing
Technical Specifications
| Part Number | NK25/16 |
| Brand | INA |
| Bearing Type | Machined Needle Roller Bearing |
| Seal Type | Open |
| Material | Chrome Steel |
| Bore (Inner Diameter) | 25 mm |
| Outer Diameter | 33 mm |
| Width / Thickness | 16 mm |
| Dynamic Load Rating (Cr) | 18.6 kN |
| Static Load Rating (C0r) | 32.5 kN |
| Reference Speed | 13,000 rpm |
| Approximate Weight | 0.042 kg |
Enquire About the INA NK25/16
Get a competitive quote within 24 hours — no obligation. Our engineering team can help with specifications, cross-references, and volume pricing.
Technical Datasheet
Download full specifications for NK25/16 — dimensions, load ratings, and material data.
Engineering support
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About the INA NK25/16
The INA NK25/16, is a machined needle roller bearing, in an open configuration for maximum speed and easy relubrication, featuring a 25mm bore, 33mm outer diameter, and 16mm width, manufactured from chrome steel, and is extended stock at Buy Bearings.
Machined needle roller bearing without an inner ring, designed for high radial load capacity in compact spaces.
Key Specifications
The NK25/16 machined needle roller bearing is specified with 25mm bore (inner diameter), 33mm outer diameter, 16mm width, 18.6kN dynamic load rating, 32.5kN static load rating, 13,000rpm reference speed, 0.042kg approximate weight. The Open 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
Machined Needle Roller Bearings are commonly used in:
About Machined Needle Roller Bearings
Needle roller bearings use thin, long cylindrical rollers to provide high load capacity in a compact radial space. They are ideal for applications where space is limited but load capacity is critical.
Why Buy the NK25/16 from Buy Bearings?
- UK-authorised distributor with genuine INA 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 NK25/16 bearing?
The NK25/16 is a INA Machined Needle Roller Bearing with a 25mm bore, 33mm outer diameter and 16mm width. It is Extended Stock at Buy Bearings.
What are the NK25/16 dimensions?
The NK25/16 measures 25mm bore (inner diameter) × 33mm outer diameter × 16mm 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 NK25/16 in stock?
The NK25/16 is Extended 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 25mm shaft diameter — complementary components for your bearing.
