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SKF Spherical Roller Bearing: 21311, 55 mm Bore, Cylindrical, 120 mm OD, 29 mm Overall Wd - General Purpose Spherical Roller Bearings
SKFGeneral Purpose Spherical Roller Bearings

SKF Spherical Roller Bearing: 21311, 55 mm Bore, Cylindrical, 120 mm OD, 29 mm Overall Wd

The SKF 21311 E is a general purpose spherical roller bearing with a 55 mm bore, 120 mm outer diameter, and 29 mm overall width. It features a cylindrical bore and is identified by the bearing industry number 21311…

SKU 3G-OTH-99078

Also listed as: 21311E · 21311-E

Brand
SKF
Item
Spherical Roller Bearing: 21311, 55 mm Bore, Cylindrical, 120 mm OD, 29 mm Overall Wd
Category
General Purpose Spherical Roller 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

SKF
Manufacturer Part Number
21311 E
Type
Cylindrical
Bore
55 mm
OD
120 mm
E
21311
Overall Wd
29 mm
Bearing Industry Number
21311

Technical Documents

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

Product Description

The SKF 21311 E is a general purpose spherical roller bearing with a 55 mm bore, 120 mm outer diameter, and 29 mm overall width. It features a cylindrical bore and is identified by the bearing industry number 21311. This SKF bearing is designed for industrial applications requiring accommodation of misalignment and heavy radial loads.

Frequently Asked Questions

What is the SKF 21311 E spherical roller bearing used for?

The SKF 21311 E is a general purpose spherical roller bearing used in industrial applications that require accommodation of misalignment and heavy radial loads. It is commonly found in conveyors, fans, and gearboxes. With a 55 mm bore and 120 mm OD, it supports rotating shafts in demanding environments.

What are the specifications of the SKF 21311 E bearing?

The SKF 21311 E has a 55 mm bore, 120 mm outer diameter, and 29 mm overall width. It features a cylindrical bore and is identified by bearing industry number 21311. The manufacturer part number is 21311 E. This SKF bearing is designed for heavy radial loads and misalignment compensation.

Where to buy the SKF 21311 E bearing worldwide?

You can source the SKF 21311 E bearing through 3G Electric, a global industrial equipment distributor established in 1990. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time; we supply genuine SKF bearings to industrial buyers globally.

How to select the correct SKF spherical roller bearing for an application?

To select the correct SKF spherical roller bearing, match the bore size (55 mm for the 21311 E), outer diameter (120 mm), and width (29 mm) to your shaft and housing dimensions. Consider load ratings and misalignment needs. For the 21311 E, the cylindrical bore suits fixed shaft applications. Consult SKF technical data for dynamic and static load capacities.

Used in

Common applications for SKF
Heavy machinery gearboxes — SKF spherical roller bearings (e.g., 24056 CCK30/W33) for high radial load capacity
Electric motor repair — SKF cylindrical roller bearings (e.g., NJ 307 ECP/C3) for free axial expansion
Pump shaft sealing — SKF CRWA1 rotary shaft seals (e.g., 17100) for fluid retention in rotating equipment
Conveyor system maintenance — SKF wear sleeves (e.g., 99274) to protect shafts from seal abrasion
Machine tool spindles — SKF angular contact bearings (e.g., 7413 BGBM) for axial load support in duplex sets
Industrial fan assemblies — SKF spherical roller bearings (e.g., 23044 CC/W33) for misalignment accommodation

SKF Products

3G Electric supplies SKF general purpose spherical roller 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
SKF Spherical Roller Bearing: 21313, 65 mm Bore, Cylindrical, 140 mm OD, 33 mm Overall Wd, 21313 E
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SKF Spherical Roller Bearing: 21309, 45 mm Bore, Cylindrical, 100 mm OD, 25 mm Overall Wd, 21309 E
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SKF Spherical Roller Bearing: 21316, 80 mm Bore, Cylindrical, 170 mm OD, 39 mm Overall Wd, 21316 E
SKF Spherical Roller Bearing: 21310, 50 mm Bore, Tapered 1:12, 110 mm OD, 27 mm Overall Wd, 21310 EK
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SKF Spherical Roller Bearing: 21310, 50 mm Bore, Tapered 1:12, 110 mm OD, 27 mm Overall Wd, 21310 EK

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