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TIMKEN Radial Ball Bearing: 6311, Dbl Shield, 55 mm Bore, 120 mm OD, 29 mm Wd - High-Capacity Radial Ball Bearings
TIMKENHigh-Capacity Radial Ball Bearings

TIMKEN Radial Ball Bearing: 6311, Dbl Shield, 55 mm Bore, 120 mm OD, 29 mm Wd

The TIMKEN Radial Ball Bearing: 6311 is a metric high-capacity radial ball bearing with a 55 mm bore, 120 mm OD, and 29 mm width. It features double shields and an alloy steel ring, identified by bearing industry…

SKU 3G-OTH-100801

Brand
TIMKEN
Item
Radial Ball Bearing: 6311, Dbl Shield, 55 mm Bore, 120 mm OD, 29 mm Wd
Category
High-Capacity Radial Ball Bearings
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Technical Specifications

TIMKEN
Manufacturer Part Number
311WDD
Type
Dbl Shield, Alloy Steel Ring, 1
Bore
55 mm
OD
120 mm
Wd
29 mm
System of Measurement
Metric
Bearing Industry Number
6311
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TIMKEN Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The TIMKEN Radial Ball Bearing: 6311 is a metric high-capacity radial ball bearing with a 55 mm bore, 120 mm OD, and 29 mm width. It features double shields and an alloy steel ring, identified by bearing industry number 6311 and manufacturer part number 311WDD.

Frequently Asked Questions

What is the TIMKEN 6311 radial ball bearing used for?

The TIMKEN 6311 radial ball bearing is used in industrial machinery requiring high-capacity radial load support, such as pumps, gearboxes, conveyors, and electric motors. Its double-shield design retains grease and excludes contaminants, making it suitable for moderate-speed applications across manufacturing, material handling, and power transmission systems.

What are the specifications of the TIMKEN 6311 bearing?

The TIMKEN 6311 radial ball bearing has a 55 mm bore, 120 mm OD, and 29 mm width. It is a metric double-shielded bearing with an alloy steel ring, bearing industry number 6311, and manufacturer part number 311WDD. This high-capacity design handles radial loads in industrial equipment.

Where to buy TIMKEN 6311 bearings worldwide?

3G Electric supplies TIMKEN 6311 bearings worldwide, handling full logistics and customs clearance for global delivery. As a sourcing partner across 14 industrial departments, we provide genuine TIMKEN parts like the 6311 (MPN 311WDD) to support your maintenance and production needs anywhere.

How to select the right TIMKEN radial ball bearing for an application?

To select the right TIMKEN radial ball bearing, match bore size to shaft diameter (55 mm for the 6311), check OD and width for housing fit, and confirm load rating and speed limits from the manufacturer. Double shields suit clean, grease-lubricated environments. Consult 3G Electric for application-specific guidance.

Used in

Common applications for TIMKEN
Conveyor systems — TIMKEN RA115RRB spherical insert bearings for idler rollers and pulleys
Agricultural equipment — TIMKEN RCSM1 cartridge bearing units for tillage and harvesting machinery
Material handling — TIMKEN YASM 1-7/16 pillow block bearings for belt conveyors and elevators
Industrial fans — TIMKEN 6319 radial ball bearings for high-speed fan shafts
Pump drives — TIMKEN SCJ 5/8 flange-mount bearings for close-coupled pump applications
Packaging machinery — TIMKEN YCJ 30 SGT flange-mount bearings for indexing and feed mechanisms

TIMKEN Products

3G Electric supplies TIMKEN high-capacity radial ball bearings. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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