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NA4911
Needle Roller Bearing
NA4911
Needle Roller Bearing
IKO NA4911 needle roller bearing with inner ring, 55x80x25mm. Extra-heavy-duty for mining and construction equipment.
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?
This bearing is priced on application. Our team will get back to you with competitive pricing within 24 hours, no obligation.
IKO NA4911 needle roller bearing with inner ring, 55x80x25mm. Extra-heavy-duty for mining and construction equipment.
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) | 55mm |
| Outer Diameter (D) | 80mm |
| Width (B) | 25mm |
NA4911
Needle Roller Bearing
Technical Specifications
| Part Number | NA4911 |
| Brand | IKO |
| Bearing Type | Needle Roller Bearing |
| Bore (Inner Diameter) | 55 mm |
| Outer Diameter | 80 mm |
| Width / Thickness | 25 mm |
Enquire About the IKO NA4911
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Technical Datasheet
Download full specifications for NA4911 — dimensions, load ratings, and material data.
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About the IKO NA4911
The IKO NA4911, is a needle roller bearing, featuring a 55mm bore, 80mm outer diameter, and 25mm width, and is made to order at Buy Bearings.
IKO NA4911 needle roller bearing with inner ring, 55x80x25mm. Extra-heavy-duty for mining and construction equipment.
Key Specifications
The NA4911 needle roller bearing is specified with 55mm bore (inner diameter), 80mm outer diameter, 25mm 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 NA4911 from Buy Bearings?
- UK-authorised distributor with genuine IKO 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 NA4911 bearing?
The NA4911 is a IKO Needle Roller Bearing with a 55mm bore, 80mm outer diameter and 25mm width. It is Made to Order at Buy Bearings.
What are the NA4911 dimensions?
The NA4911 measures 55mm bore (inner diameter) × 80mm outer diameter × 25mm width.
Is the NA4911 in stock?
The NA4911 is Made to Order 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 55mm shaft diameter — complementary components for your bearing.
