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Self-Aligning Ball Bearing 1311 Series High Quality

Basic Info

Model No.:  1311

Product Description

Model NO.: 1311

The Number of Rows: Double

Material: Bearing Steel

Load Direction: Radial Bearing

B: 29


Cor: 17.9


Specification: ISO9001 CE SGS

HS Code: 84825000

Rolling Body: Ball Bearings

Outer Dimension: Medium and Large(120-190mm)

Spherical: Aligning Bearings

Separated: Unseparated

Market: Global

Cr: 51.3

Precision: P0 P6 P5 P4 P2

Transport Package: Normal Package, Plastic Bag, Carton Box.

Origin: Japan China Sweden USA Germany

I. Product Description - Self-Aligning Ball Bearing

The bearings are consequently self-aligning and insensitive to shaft deflections and angular misalignment of the shaft relative to the housing. Additionally, self-aligning ball bearings generate less friction than any other type of rolling bearing, which enables them to run cooler even at high speeds.

Self-aligning ball bearings are available with either a cylindrical or tapered bore. Bearings with a tapered bore can be mounted directly on a shaft or on an adapter or withdrawal sleeve.

Product describtion:

Company Tianjin SEMRI Bearing Technology Co., Ltd
Item name Self-Aligning Ball Bearing 1311 Series High Quality
Model Number 1311
Bore Size 55mm
Outside Diameter 120mm
Width/ Thickness 29mm
Ring Material Gcr15 ,Carbon steel,Stainless steel, Si3N4, ZrO2
Cage Material Steel/ Brass/ Nylon/ Custom
Precision P0, P6, P5, or as requested
Vibration ZV1, ZV2, ZV3, or as requested
Clearance C0,C2,C3, or as requested
Quality standard ISO9001
QC process 1.Assembly
2.Windage test
4.Rotary test
5.Greasing and gland
6.Noise inspection
7.Appearance inspection
8.Rust prevention
9.Product packaging
Application Home appliances; automotive, electric, instruments, building machines,
railway vehicle, agricultural machines and etc.
Packing Industrial packing: plastic bag+ carton plywood pallet
plastic bag+ white box+carton+plywood pallet
commercial packing: plastic bag+color box+carton +plywood pallet
Service OEM or customer logo acceptable
Delivery Time Within 7days for stock product
7-30 days according to quantity and design
Payment Term 30% T/T In Advance, 70% T/T before shippment

100% L/C at sight

1311K+H311 50 120 29 - - - - -
1312K+H312 55 130 31 - - - - -
1311 55 120 29 51.3 17.9 5000 6200 1.58
1311TNI 55 120 29 52.8 18.8 5000 6300 1.641
1311K 55 120 29 51.3 17.9 5000 6200 1.56
1311KTN1 55 120 29 52.8 18.8 5000 6300 1.641
1311TN1/P6 55.0000 120.0000 29.0000 - - - - 0.000
1311TN1/P5 55.0000 120.0000 29.0000 - - - - 0.000
1311TN1 55.0000 120.0000 29.0000 - - - - 1.520
1311KTN1/P6 55.0000 120.0000 29.0000 - - - - 0.000
1311KTN1/P5 55.0000 120.0000 29.0000 - - - - 0.000
1311K/P6 55.0000 120.0000 29.0000 - - - - 0.000
1311K/P5 55.0000 120.0000 29.0000 - - - - 0.000
1311/P6 55.0000 120.0000 29.0000 - - - - 0.000
1311/P5 55.0000 120.0000 29.0000 - - - - 0.000

II. Packaging & Shipping

SEMRI provides a variety of secure and cost-efficient packaging solutions to insure the essential protection and preservation for bearings.


1)Plastic Tube

2)Roll Pack

3)Individual Box

4)Bulk Pack

Other types of packaging are also available as per your requirements. Contact us if you have special demands about package and we offer the best solution.

III. Company Profile

Tianjin SEMRI Bearing Co., Ltd. Is one of the most famous export-oriented manufacturers and dealers specialized in bearings in China. SEMRI has become one of the leading companies after years' accumulation of technology and talents.

Scope of Business

The bearings SEMRI manufactures cover almost all the universal models in the international market, to supply qualified products for global manufacturing enterprises and dealers.

The main products are Deep Groove Ball Bearing, self-aligning ball bearing, Cylindrical Roller Bearing, self-aligning roller bearing, needle bearing, Angular Contact Ball Bearing, inch tapered roller bearings, Thrust Ball Bearing, Thrust Roller Bearing, pillow block ball bearing, Joint Bearing, etc.

The products are widely used in numerically-controlled machine tool, vessel, automobile, wind electricity, metallurgy, electric motor, machinery, etc.

The close cooperative partner is the chief bearing supplier for China Aviation and Aerospace. Therefore, SEMRI can obtain strong technological power and support.


The brand, SEMRI, owned by SEMRI Bearing Company itself, gains recognition from more and more manufacturing enterprises and dealers in the globe, with the strength of high cost performance.

Meanwhile, SEMRI Company is a qualified dealer for several international brands, owing an ample supply and smooth supply channel. The international brands are NSK, SKF, NTN, TIKEN, EKM, ASAHI, NACHI, MEC, KOYO, EZO, UBC, GMN, FYH, VISTA, etc.

Production Capacity

The workshop is equipped with advanced automatic production line and thorough quality detection system. The heat treatment adopts advanced technology of salt bath martensitic hardening. The range of sizes can be from 10mm (inside diameter) to 1000mm (outside diameter). The annual output can be over 5000, 000 sets. Customized heterotype bearings and OEM are also available.


SEMRI began to manufacture bearings since 1992. Now SEMRI has become a leading manufacturer in China, with the annual turnover over $40, 000, 000.

IV.Advantages of Tianjin SEMRI Bearing Technology Co., Ltd

1.Price advantage compare with the trading company, as we have our own factory.

2.Compare with the factory we are easy communicated.

3 our products were produced under strict quality test system.

5.More than many years industry experience

6.Accept OEM, customization, customers' logo

7.The shortest delivery time

8.Welcome mini order

9.Multiplex-method of payment:Western Union, paypal, T/T, L/C at sight

You are welcome to send inquiry to us! Please tell me your needs! All you need, we can do!

Call me, let's talk details!

Contact: Rita Xia

My phone:+8618202260567

Contact us if you need more details on Self-Aligning Ball Bearing. We are ready to answer your questions on packaging, logistics, certification or any other aspects about Ball Bearing、Bearing. If these products fail to match your need, please contact us and we would like to provide relevant information.
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Product Categories : Self-Aligning Ball Bearing

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