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NKI40/30
Needle Roller Bearing
NKI40/30
Needle Roller Bearing
INA NKI40/30 needle roller bearing with inner ring, 40x55x30mm. Large needle bearing for heavy industrial applications.
Price Match Promise
Found it cheaper elsewhere? We’ll match any UK competitor’s price on bearings in stock — call us before you buy.
Need pricing for this part?
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INA NKI40/30 needle roller bearing with inner ring, 40x55x30mm. Large needle bearing for heavy industrial applications.
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) | 40mm |
| Outer Diameter (D) | 55mm |
| Width (B) | 30mm |
NKI40/30
Needle Roller Bearing
Technical Specifications
| Part Number | NKI40/30 |
| Brand | INA |
| Bearing Type | Needle Roller Bearing |
| Bore (Inner Diameter) | 40 mm |
| Outer Diameter | 55 mm |
| Width / Thickness | 30 mm |
Enquire About the INA NKI40/30
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 NKI40/30 — dimensions, load ratings, and material data.
Engineering support
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About the INA NKI40/30
The INA NKI40/30, is a needle roller bearing, featuring a 40mm bore, 55mm outer diameter, and 30mm width, and is extended stock at Buy Bearings.
INA NKI40/30 needle roller bearing with inner ring, 40x55x30mm. Large needle bearing for heavy industrial applications.
Key Specifications
The NKI40/30 needle roller bearing is specified with 40mm bore (inner diameter), 55mm outer diameter, 30mm width.
Common Applications
Needle Roller Bearings are commonly used in:
About 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 NKI40/30 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 NKI40/30 bearing?
The NKI40/30 is a INA Needle Roller Bearing with a 40mm bore, 55mm outer diameter and 30mm width. It is Extended Stock at Buy Bearings.
What are the NKI40/30 dimensions?
The NKI40/30 measures 40mm bore (inner diameter) × 55mm outer diameter × 30mm width.
Is the NKI40/30 in stock?
The NKI40/30 is Extended Stock at Buy Bearings. Submit an enquiry or call our sales team for current stock and pricing (POA).
Related & Compatible Bearings
Same needle roller 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 40mm shaft diameter — complementary components for your bearing.
