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Needle Roller Bearing


Needle Roller Bearing
IKO Needle Roller Bearing with Open seals. Compact bearing for high radial load capacity in tight spaces such as gearboxes and pumps. Manufactured from Chrome Steel (SAE 52100) for durability and long service life. In Stock at Buy Bearings. Order by 1pm for next-day UK dispatch.
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 Needle Roller Bearing with Open seals. Compact bearing for high radial load capacity in tight spaces such as gearboxes and pumps. Manufactured from Chrome Steel (SAE 52100) for durability and long service life. In Stock at Buy Bearings. Order by 1pm for next-day UK dispatch.
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) | 40mm |
| Outer Diameter (D) | 48mm |
| Width (B) | 40mm |

Needle Roller Bearing
| Part Number | LRT404840 |
| Brand | IKO |
| Bearing Type | Needle Roller Bearing |
| Seal Type | Open |
| Material | Chrome Steel (SAE 52100) |
| Bore (Inner Diameter) | 40 mm |
| Outer Diameter | 48 mm |
| Width / Thickness | 40 mm |
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Download full specifications for LRT404840 — dimensions, load ratings, and material data.
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The IKO LRT404840, is a needle roller bearing, in an open configuration for maximum speed and easy relubrication, featuring a 40mm bore, 48mm outer diameter, and 40mm width, manufactured from chrome steel (sae 52100), and is in stock at Buy Bearings.
IKO Needle Roller Bearing with Open seals. Compact bearing for high radial load capacity in tight spaces such as gearboxes and pumps. Manufactured from Chrome Steel (SAE 52100) for durability and long service life. In Stock at Buy Bearings. Order by 1pm for next-day UK dispatch.
The LRT404840 needle roller bearing is specified with 40mm bore (inner diameter), 48mm outer diameter, 40mm width. The Open sealing arrangement protects against contamination and retains lubricant for extended service life. The chrome steel (sae 52100) construction provides excellent wear resistance and durability in demanding operating conditions.
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 LRT404840 is a IKO Needle Roller Bearing with a 40mm bore, 48mm outer diameter and 40mm width. It is In Stock at Buy Bearings.
The LRT404840 measures 40mm bore (inner diameter) × 48mm outer diameter × 40mm width.
Open bearings have no seals or shields, allowing maximum speed and easy relubrication — best for clean, lubricated environments.
The LRT404840 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.








Matching seals and bushings for 40mm shaft diameter — complementary components for your bearing.







