Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

3G Electric
RFQ CartGet a QuoteSign inSign up
SKF Self-Aligning Ball Bearing: 1311, 55 mm Bore, Tapered 1:12, Open, 120 mm OD - High-Clearance Self-Aligning Ball Bearings
SKFHigh-Clearance Self-Aligning Ball Bearings

SKF Self-Aligning Ball Bearing: 1311, 55 mm Bore, Tapered 1:12, Open, 120 mm OD

The SKF Self-Aligning Ball Bearing 1311 is a high-clearance self-aligning ball bearing with a 55 mm bore, 120 mm OD, and 29 mm outer ring width. It features a tapered 1:12 bore and an open design, identified by the…

SKU 3G-OTH-99633

Also listed as: 1311EKTN9C3 · 1311 EKTN9 C3 · 1311-EKTN9-C3

Brand
SKF
Item
Self-Aligning Ball Bearing: 1311, 55 mm Bore, Tapered 1:12, Open, 120 mm OD
Category
High-Clearance Self-Aligning Ball Bearings
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

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
1311 EKTN9/C3
Type
Open
Bore
55 mm
OD
120 mm
Tapered 1
12
Outer Ring Wd
29 mm
System of Measurement
Metric
Bearing Industry Number
1311

Technical Documents

No technical documents available for this product.
Request documentation →
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

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

Product Description

The SKF Self-Aligning Ball Bearing 1311 is a high-clearance self-aligning ball bearing with a 55 mm bore, 120 mm OD, and 29 mm outer ring width. It features a tapered 1:12 bore and an open design, identified by the manufacturer part number 1311 EKTN9/C3. This metric bearing is designed to accommodate misalignment and is suitable for applications requiring high clearance.

Frequently Asked Questions

What is the SKF 1311 EKTN9/C3 self-aligning ball bearing used for?

The SKF 1311 EKTN9/C3 self-aligning ball bearing is used in industrial machinery where shaft misalignment or deflection occurs, such as in fans, conveyors, and pumps. Its high-clearance C3 design accommodates thermal expansion, while the self-aligning feature compensates for angular errors, reducing wear and extending equipment life.

What are the specifications of the SKF 1311 EKTN9/C3 bearing?

The SKF 1311 EKTN9/C3 is a metric self-aligning ball bearing with a 55 mm bore, 120 mm OD, and 29 mm outer ring width. It has a tapered 1:12 bore, open design, and high clearance (C3). The bearing industry number is 1311, and the manufacturer part number is 1311 EKTN9/C3.

Where to buy the SKF 1311 EKTN9/C3 bearing worldwide?

3G Electric supplies the SKF 1311 EKTN9/C3 self-aligning ball bearing worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on this metric bearing with a 55 mm bore and 120 mm OD.

How to select the correct SKF self-aligning ball bearing for misalignment?

To select the correct SKF self-aligning ball bearing, match the bore diameter (55 mm for the 1311), OD (120 mm), and width (29 mm) to your shaft and housing. The tapered 1:12 bore allows mounting on adapter sleeves. The C3 internal clearance suits applications with thermal expansion or misalignment. Verify load ratings and speed limits from SKF specifications.

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 high-clearance self-aligning ball bearings. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

You might also need

Burners & Combustion →Pumps & Compressors →Spare Parts →All Products →

Compatible alternatives & equivalents

Cross-referenced by specification & description
SKF Self-Aligning Ball Bearing: 1309, 45 mm Bore, Tapered 1:12, Open, 100 mm OD, 25 mm Outer Ring Wd (MPN 1309 EKTN9/C3)
SKF
SKF Self-Aligning Ball Bearing: 1309, 45 mm Bore, Tapered 1:12, Open, 100 mm OD, 25 mm Outer Ring Wd (MPN 1309 EKTN9/C3)
Open self-aligning ball bearing with 55 mm bore, 100 mm OD, and 21 mm outer ring width. Features a tapered 1:12 bore and C3 internal clearance for accommodating misalignment and shaft deflection. Suitable for applications such as fans, conveyors, and agricultural equipment where angular errors occur
SKF
Open self-aligning ball bearing with 55 mm bore, 100 mm OD, and 21 mm outer ring width. Features a tapered 1:12 bore and C3 internal clearance for accommodating misalignment and shaft deflection. Suitable for applications such as fans, conveyors, and agricultural equipment where angular errors occur
SKF Self-Aligning Ball Bearing: 1208, 40 mm Bore, Tapered 1:12, Open, 80 mm OD, 18 mm Outer Ring Wd (MPN 1208 EKTN9/C3)
SKF
SKF Self-Aligning Ball Bearing: 1208, 40 mm Bore, Tapered 1:12, Open, 80 mm OD, 18 mm Outer Ring Wd (MPN 1208 EKTN9/C3)
Metric self-aligning ball bearing with 70 mm bore, 150 mm OD, and 35 mm outer ring width. Cylindrical bore, open design, and C3 internal clearance accommodate shaft misalignment and thermal expansion. Suitable for applications such as fans, conveyors, and agricultural equipment where angular errors or deflection occur
SKF
Metric self-aligning ball bearing with 70 mm bore, 150 mm OD, and 35 mm outer ring width. Cylindrical bore, open design, and C3 internal clearance accommodate shaft misalignment and thermal expansion. Suitable for applications such as fans, conveyors, and agricultural equipment where angular errors or deflection occur
SKF Self-Aligning Ball Bearing: 1209, 45 mm Bore, Tapered 1:12, Open, 85 mm OD, 19 mm Outer Ring Wd (MPN 1209 EKTN9/C3)
SKF
SKF Self-Aligning Ball Bearing: 1209, 45 mm Bore, Tapered 1:12, Open, 85 mm OD, 19 mm Outer Ring Wd (MPN 1209 EKTN9/C3)
This SKF self-aligning ball bearing has a 40 mm bore, 90 mm OD, and 23 mm outer ring width. It features a tapered 1:12 bore for mounting on adapter sleeves and an open design. The C3 internal clearance accommodates thermal expansion. Typical applications include fans, conveyors, and agricultural equipment where shaft misalignment or deflection occurs
SKF
This SKF self-aligning ball bearing has a 40 mm bore, 90 mm OD, and 23 mm outer ring width. It features a tapered 1:12 bore for mounting on adapter sleeves and an open design. The C3 internal clearance accommodates thermal expansion. Typical applications include fans, conveyors, and agricultural equipment where shaft misalignment or deflection occurs

More from SKF

View all SKF parts →
Metric self-aligning ball bearing with 35 mm bore, 72 mm OD, and 17 mm outer ring width. Open design with tapered 1:12 bore and C3 internal clearance. Suitable for applications involving shaft misalignment or deflection, such as fans, conveyors, and agricultural equipment
SKF
Metric self-aligning ball bearing with 35 mm bore, 72 mm OD, and 17 mm outer ring width. Open design with tapered 1:12 bore and C3 internal clearance. Suitable for applications involving shaft misalignment or deflection, such as fans, conveyors, and agricultural equipment
Metric self-aligning ball bearing with 20 mm bore, 52 mm OD, and 15 mm outer ring width. Cylindrical bore, open design, C3 internal clearance. Accommodates misalignment and shaft deflections in rotating machinery such as fans, conveyors, and agricultural equipment
SKF
Metric self-aligning ball bearing with 20 mm bore, 52 mm OD, and 15 mm outer ring width. Cylindrical bore, open design, C3 internal clearance. Accommodates misalignment and shaft deflections in rotating machinery such as fans, conveyors, and agricultural equipment
Metric self-aligning ball bearing with 50 mm bore, 110 mm OD, and 27 mm outer ring width. Features a tapered 1:12 bore, open design, and C3 internal clearance. Compensates for shaft misalignment and deflection in applications such as fans, conveyors, and agricultural equipment
SKF
Metric self-aligning ball bearing with 50 mm bore, 110 mm OD, and 27 mm outer ring width. Features a tapered 1:12 bore, open design, and C3 internal clearance. Compensates for shaft misalignment and deflection in applications such as fans, conveyors, and agricultural equipment
Metric self-aligning ball bearing with 15 mm bore, 35 mm outer diameter, and 14 mm outer ring width. Cylindrical bore and open design. C3 internal clearance accommodates thermal expansion and vibration. Used in applications with shaft misalignment or deflection, such as fans, conveyors, and agricultural equipment
SKF
Metric self-aligning ball bearing with 15 mm bore, 35 mm outer diameter, and 14 mm outer ring width. Cylindrical bore and open design. C3 internal clearance accommodates thermal expansion and vibration. Used in applications with shaft misalignment or deflection, such as fans, conveyors, and agricultural equipment
Metric self-aligning ball bearing with 65 mm bore, 140 mm OD, and 33 mm outer ring width. Features a tapered 1:12 bore, open design, and C3 internal clearance. Suitable for applications where shaft misalignment or deflection occurs, such as fans, conveyors, and agricultural equipment
SKF
Metric self-aligning ball bearing with 65 mm bore, 140 mm OD, and 33 mm outer ring width. Features a tapered 1:12 bore, open design, and C3 internal clearance. Suitable for applications where shaft misalignment or deflection occurs, such as fans, conveyors, and agricultural equipment
Metric self-aligning ball bearing with 17 mm bore, 40 mm OD, and 12 mm outer ring width. Cylindrical bore, open design, and C3 internal clearance accommodate shaft misalignment, thermal expansion, and vibration in moderate-speed, moderate-load applications such as fans, conveyors, and agricultural machinery
SKF
Metric self-aligning ball bearing with 17 mm bore, 40 mm OD, and 12 mm outer ring width. Cylindrical bore, open design, and C3 internal clearance accommodate shaft misalignment, thermal expansion, and vibration in moderate-speed, moderate-load applications such as fans, conveyors, and agricultural machinery
Metric self-aligning ball bearing with 85 mm bore, 150 mm outer diameter, and 38 mm outer ring width. Features a tapered 1:12 bore, open design, and C3 internal clearance for applications involving shaft misalignment or thermal expansion, such as fans, conveyors, and pumps
SKF
Metric self-aligning ball bearing with 85 mm bore, 150 mm outer diameter, and 38 mm outer ring width. Features a tapered 1:12 bore, open design, and C3 internal clearance for applications involving shaft misalignment or thermal expansion, such as fans, conveyors, and pumps
Metric self-aligning ball bearing with 50 mm bore, 90 mm OD, and 20 mm outer ring width. Features a tapered 1:12 bore and open design. C3 internal clearance accommodates thermal expansion. Suitable for applications with shaft misalignment or deflection, such as fans, conveyors, and agricultural machinery
SKF
Metric self-aligning ball bearing with 50 mm bore, 90 mm OD, and 20 mm outer ring width. Features a tapered 1:12 bore and open design. C3 internal clearance accommodates thermal expansion. Suitable for applications with shaft misalignment or deflection, such as fans, conveyors, and agricultural machinery