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TIMKEN 311WDN High-Capacity Radial Ball Bearing - High-Capacity Radial Ball Bearings
TIMKENHigh-Capacity Radial Ball Bearings

TIMKEN 311WDN High-Capacity Radial Ball Bearing

The TIMKEN Radial Ball Bearing: 6311 is a high-capacity radial ball bearing with a single shield, featuring a 55 mm bore, 120 mm OD, and 29 mm width. This metric bearing, identified by industry number 6311 and…

SKU 3G-OTH-99882

Also listed as: 311 WDN · 311-WDN

Brand
TIMKEN
Item
311WDN High-Capacity Radial Ball Bearing
Category
High-Capacity Radial Ball Bearings
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

TIMKEN
Manufacturer Part Number
311WDN
Type
Sngl Shield, Alloy Steel Ring
Bore
55 mm
OD
120 mm
Wd
29 mm
System of Measurement
Metric
Bearing Industry Number
6311

Technical Documents

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TIMKEN Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The TIMKEN Radial Ball Bearing: 6311 is a high-capacity radial ball bearing with a single shield, featuring a 55 mm bore, 120 mm OD, and 29 mm width. This metric bearing, identified by industry number 6311 and manufacturer part number 311WDN, is constructed with an alloy steel ring.

Frequently Asked Questions

What is the TIMKEN 6311 radial ball bearing used for?

The TIMKEN 6311 radial ball bearing is designed for high-capacity radial load applications in industrial machinery such as pumps, compressors, gearboxes, and electric motors. Its single shield and alloy steel ring provide durability in moderate-speed, contamination-prone environments.

What are the specifications of the TIMKEN 6311 bearing?

The TIMKEN 6311 bearing has a 55 mm bore, 120 mm outer diameter, and 29 mm width. It is a metric single-shield radial ball bearing with an alloy steel ring. The bearing industry number is 6311, and the manufacturer part number is 311WDN.

Where to buy TIMKEN 6311 bearings worldwide?

3G Electric supplies TIMKEN 6311 bearings worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time; we source and deliver this bearing to any country.

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

To select the correct TIMKEN 6311 bearing, verify the shaft diameter matches the 55 mm bore, housing bore fits the 120 mm OD, and width is 29 mm. Confirm the single-shield design suits your contamination level. Check load ratings and speed limits in TIMKEN's catalog for your specific application.

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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Compatible alternatives & equivalents

Cross-referenced by specification & description
TIMKEN Radial Ball Bearing: 6311, Open, 55 mm Bore, 120 mm OD, 29 mm Wd, Alloy Steel Ring, 1 (MPN 311W)
TIMKEN
TIMKEN Radial Ball Bearing: 6311, Open, 55 mm Bore, 120 mm OD, 29 mm Wd, Alloy Steel Ring, 1 (MPN 311W)
This TIMKEN high-capacity radial ball bearing features a 50 mm bore, 110 mm outer diameter, and 27 mm width. It is constructed with an alloy steel ring and double shields for protection. The bearing supports moderate radial and axial loads in industrial machinery such as pumps, gearboxes, conveyors, and electric motors
TIMKEN
This TIMKEN high-capacity radial ball bearing features a 50 mm bore, 110 mm outer diameter, and 27 mm width. It is constructed with an alloy steel ring and double shields for protection. The bearing supports moderate radial and axial loads in industrial machinery such as pumps, gearboxes, conveyors, and electric motors
Single-shield radial ball bearing with a 40 mm bore, 90 mm outside diameter, and 23 mm width. Constructed with an alloy steel ring for radial load support in industrial machinery such as electric motors, pumps, gearboxes, and conveyors. The shield reduces contamination ingress while allowing moderate lubrication flow
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Single-shield radial ball bearing with a 40 mm bore, 90 mm outside diameter, and 23 mm width. Constructed with an alloy steel ring for radial load support in industrial machinery such as electric motors, pumps, gearboxes, and conveyors. The shield reduces contamination ingress while allowing moderate lubrication flow
Metric high-capacity radial ball bearing with open design, alloy steel ring, 50 mm bore, 110 mm outside diameter, and 27 mm width. Suitable for applications requiring high radial load capacity, such as electric motors, pumps, and gearboxes
TIMKEN
Metric high-capacity radial ball bearing with open design, alloy steel ring, 50 mm bore, 110 mm outside diameter, and 27 mm width. Suitable for applications requiring high radial load capacity, such as electric motors, pumps, and gearboxes
Single-shield radial ball bearing with a 55 mm bore, 100 mm outside diameter, and 21 mm width. Constructed with an alloy steel ring for high-capacity radial load support. Suitable for use in industrial machinery, conveyors, pumps, and electric motors requiring reliable rotation under moderate speeds and loads
TIMKEN
Single-shield radial ball bearing with a 55 mm bore, 100 mm outside diameter, and 21 mm width. Constructed with an alloy steel ring for high-capacity radial load support. Suitable for use in industrial machinery, conveyors, pumps, and electric motors requiring reliable rotation under moderate speeds and loads
This TIMKEN radial ball bearing features a single shield design to retain grease and exclude light contaminants. With a 65 mm bore, 120 mm OD, and 23 mm width, it is constructed with an alloy steel ring. Suitable for high-capacity radial load applications in industrial machinery, conveyors, pumps, and electric motors
TIMKEN
This TIMKEN radial ball bearing features a single shield design to retain grease and exclude light contaminants. With a 65 mm bore, 120 mm OD, and 23 mm width, it is constructed with an alloy steel ring. Suitable for high-capacity radial load applications in industrial machinery, conveyors, pumps, and electric motors

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Metric radial ball bearing with 90 mm bore, 160 mm outer diameter, and 30 mm width. Features double shields and an alloy steel ring. Designed for radial load support in industrial machinery such as pumps, gearboxes, conveyors, and electric motors
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Metric radial ball bearing with 90 mm bore, 160 mm outer diameter, and 30 mm width. Features double shields and an alloy steel ring. Designed for radial load support in industrial machinery such as pumps, gearboxes, conveyors, and electric motors
Metric radial ball bearing with 35 mm bore, 80 mm outer diameter, and 21 mm width. Features double shields and an alloy steel ring. Suitable for applications requiring high radial load capacity, such as industrial machinery, conveyors, pumps, and electric motors
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Metric radial ball bearing with 35 mm bore, 80 mm outer diameter, and 21 mm width. Features double shields and an alloy steel ring. Suitable for applications requiring high radial load capacity, such as industrial machinery, conveyors, pumps, and electric motors
Double-shielded radial ball bearing with a 100 mm bore, 180 mm outer diameter, and 34 mm width. Constructed with an alloy steel ring for moderate to high radial load support. Suitable for industrial machinery, conveyors, pumps, and electric motors requiring contaminant exclusion
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Double-shielded radial ball bearing with a 100 mm bore, 180 mm outer diameter, and 34 mm width. Constructed with an alloy steel ring for moderate to high radial load support. Suitable for industrial machinery, conveyors, pumps, and electric motors requiring contaminant exclusion
This TIMKEN radial ball bearing features a double-shield design to retain lubrication and exclude contaminants. It has a 65 mm bore, 140 mm outer diameter, and 33 mm width, with an alloy steel ring. Suitable for high-capacity radial load applications in industrial machinery, conveyors, pumps, and electric motors
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This TIMKEN radial ball bearing features a double-shield design to retain lubrication and exclude contaminants. It has a 65 mm bore, 140 mm outer diameter, and 33 mm width, with an alloy steel ring. Suitable for high-capacity radial load applications in industrial machinery, conveyors, pumps, and electric motors
Single-shielded radial ball bearing with a 50 mm bore, 110 mm outer diameter, and 27 mm width. Constructed with an alloy steel ring for radial load support in industrial machinery, electric motors, pumps, and gearboxes
TIMKEN
Single-shielded radial ball bearing with a 50 mm bore, 110 mm outer diameter, and 27 mm width. Constructed with an alloy steel ring for radial load support in industrial machinery, electric motors, pumps, and gearboxes
Metric high-capacity radial ball bearing with 55 mm bore, 120 mm OD, and 29 mm width. Features double shields for grease retention and contaminant exclusion, with an alloy steel ring. Suitable for moderate-speed applications requiring radial load support, such as pumps, gearboxes, conveyors, and electric motors
TIMKEN
Metric high-capacity radial ball bearing with 55 mm bore, 120 mm OD, and 29 mm width. Features double shields for grease retention and contaminant exclusion, with an alloy steel ring. Suitable for moderate-speed applications requiring radial load support, such as pumps, gearboxes, conveyors, and electric motors
This single-shield radial ball bearing features a 100 mm bore, 180 mm outside diameter, and 34 mm width. Constructed with an alloy steel ring, it is designed for moderate-to-heavy radial loads in industrial machinery such as pumps, gearboxes, compressors, and material handling equipment. The bearing industry number is 6220
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This single-shield radial ball bearing features a 100 mm bore, 180 mm outside diameter, and 34 mm width. Constructed with an alloy steel ring, it is designed for moderate-to-heavy radial loads in industrial machinery such as pumps, gearboxes, compressors, and material handling equipment. The bearing industry number is 6220
TIMKEN 308W is a metric high-capacity radial ball bearing with a 40 mm bore, 90 mm outside diameter, and 23 mm width. It features an open design with an alloy steel ring, suitable for applications requiring radial load support in industrial machinery, conveyors, pumps, and gearboxes where relubrication is accessible
TIMKEN
TIMKEN 308W is a metric high-capacity radial ball bearing with a 40 mm bore, 90 mm outside diameter, and 23 mm width. It features an open design with an alloy steel ring, suitable for applications requiring radial load support in industrial machinery, conveyors, pumps, and gearboxes where relubrication is accessible