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Needle Roller Bearing


Needle Roller Bearing
IKO NA4904 needle roller bearing with inner ring, 20x37x17mm. Wider design for increased load capacity.
Price Match Promise
Found it cheaper elsewhere? We’ll match any UK competitor’s price on bearings in stock — call us before you buy.
This bearing is priced on application. Our team will get back to you with competitive pricing within 24 hours, no obligation.
IKO NA4904 needle roller bearing with inner ring, 20x37x17mm. Wider design for increased load capacity.
Price Match Promise
Found it cheaper elsewhere? We’ll match any UK competitor’s price on bearings in stock — call us before you buy.
Confirm these values match your shaft, housing and application requirements before ordering.
| Bore Diameter (d) | 20mm |
| Outer Diameter (D) | 37mm |
| Width (B) | 17mm |

Needle Roller Bearing
| Part Number | NA4904 |
| Brand | IKO |
| Bearing Type | Needle Roller Bearing |
| Bore (Inner Diameter) | 20 mm |
| Outer Diameter | 37 mm |
| Width / Thickness | 17 mm |
Get a competitive quote within 24 hours — no obligation. Our engineering team can help with specifications, cross-references, and volume pricing.
Download full specifications for NA4904 — dimensions, load ratings, and material data.
Our experienced MRO products specialists are on hand to offer practical solutions to your problems and can assist with an on-site visit.
Call us01709 878282
The IKO NA4904, is a needle roller bearing, featuring a 20mm bore, 37mm outer diameter, and 17mm width, and is in stock at Buy Bearings.
IKO NA4904 needle roller bearing with inner ring, 20x37x17mm. Wider design for increased load capacity.
The NA4904 needle roller bearing is specified with 20mm bore (inner diameter), 37mm outer diameter, 17mm width.
Needle Roller Bearings are commonly used in:
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.
The NA4904 is a IKO Needle Roller Bearing with a 20mm bore, 37mm outer diameter and 17mm width. It is In Stock at Buy Bearings.
The NA4904 measures 20mm bore (inner diameter) × 37mm outer diameter × 17mm width.
The NA4904 is In Stock at Buy Bearings. Submit an enquiry or call our sales team for current stock and pricing (POA).
Same needle roller bearing, closest dimensions first — useful if you need a slightly different size or this part is unavailable.








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