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TIMKEN Radial Ball Bearing: 6311, 55 mm Bore, Dbl Shield, 120 mm OD - General Purpose Retaining Ring Ball Bearings
TIMKENGeneral Purpose Retaining Ring Ball Bearings

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

The TIMKEN Radial Ball Bearing: 6311 is a general purpose retaining ring ball bearing with a metric system of measurement. It features a 55 mm bore, double shield, 120 mm outside diameter, and 29 mm outer ring width…

SKU 3G-OTH-103289

Brand
TIMKEN
Item
Radial Ball Bearing: 6311, 55 mm Bore, Dbl Shield, 120 mm OD
Category
General Purpose Retaining Ring Ball Bearings
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Technical Specifications

TIMKEN
Manufacturer Part Number
311KDDG
Type
Dbl Shield
Bore
55 mm
OD
120 mm
Outer Ring 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 general purpose retaining ring ball bearing with a metric system of measurement. It features a 55 mm bore, double shield, 120 mm outside diameter, and 29 mm outer ring width (Manufacturer Part Number 311KDDG). The bearing industry number is 6311.

Frequently Asked Questions

What is the TIMKEN 6311 radial ball bearing used for?

The TIMKEN 6311 radial ball bearing is used in general purpose industrial applications such as electric motors, pumps, gearboxes, and conveyor systems. Its double-shield design retains grease and excludes contaminants, making it suitable for moderate-speed, moderate-load rotating equipment where maintenance access is limited.

What are the specifications of the TIMKEN 6311 bearing?

The TIMKEN 6311 radial ball bearing has a 55 mm bore, 120 mm outside diameter, and 29 mm outer ring width. It is a metric, double-shielded, general purpose retaining ring ball bearing with bearing industry number 6311 and manufacturer part number 311KDDG.

Where to buy TIMKEN 6311 bearings worldwide?

You can source TIMKEN 6311 bearings worldwide through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time; we supply genuine TIMKEN bearings to industrial buyers internationally.

How to select the correct TIMKEN 6311 bearing for an application?

To select the correct TIMKEN 6311 bearing, verify the shaft diameter (55 mm bore), housing bore (120 mm OD), and required width (29 mm). Confirm the double-shield configuration suits your contamination and lubrication needs. Check speed and load ratings against your application; TIMKEN provides engineering data for proper selection.

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 general purpose retaining ring 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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