NSK 6311DDU Single Row Deep Groove Ball Bearing- 55mm I.D, 120mm O.D

View all Ball Bearings

Subtotal (1 unit)*

£42.34

(exc. VAT)

£50.81

(inc. VAT)

Add to Basket
Select or type quantity
In Stock
  • Plus 2 unit(s) shipping from 22 October 2025
Need more? Click ‘Check delivery dates’ to find extra stock and lead times.
Units
Per unit
1 +£42.34

*price indicative

RS Stock No.:
644-030
Mfr. Part No.:
6311DDU
Brand:
NSK
Find similar products by selecting one or more attributes.
Select all

Brand

NSK

Inside Diameter

55mm

Outside Diameter

120mm

Race Width

29mm

Ball Bearing Type

Single Row Deep Groove Ball Bearing

Non Compliant

COO (Country of Origin):
PL
The NSK Single‑row deep groove ball bearing engineered for durability and low maintenance in demanding applications. It features a 55 mm bore diameter, 120 mm outer diameter, and 29 mm width, making it well-suited for robust mechanical systems. The bearing is equipped with double contact rubber seals (DDU), offering excellent protection against contaminants while retaining internal lubrication. It provides a basic dynamic load rating of 78,500 N and a static load rating of 44,500 N, ensuring reliable performance under heavy load conditions.

Robust and compact construction for space efficient installation
High quality bearing steel ensures excellent durability
Lightweight design

Related links