• Timken NSK NTN Koyo NACHI IKO Deep Groove Ball Bearing Taper Roller Bearing Spherical Roller Bearing Cylindrical Angular Contact Needle Bearing 21309 Bearing
  • Timken NSK NTN Koyo NACHI IKO Deep Groove Ball Bearing Taper Roller Bearing Spherical Roller Bearing Cylindrical Angular Contact Needle Bearing 21309 Bearing
  • Timken NSK NTN Koyo NACHI IKO Deep Groove Ball Bearing Taper Roller Bearing Spherical Roller Bearing Cylindrical Angular Contact Needle Bearing 21309 Bearing
  • Timken NSK NTN Koyo NACHI IKO Deep Groove Ball Bearing Taper Roller Bearing Spherical Roller Bearing Cylindrical Angular Contact Needle Bearing 21309 Bearing
  • Timken NSK NTN Koyo NACHI IKO Deep Groove Ball Bearing Taper Roller Bearing Spherical Roller Bearing Cylindrical Angular Contact Needle Bearing 21309 Bearing
  • Timken NSK NTN Koyo NACHI IKO Deep Groove Ball Bearing Taper Roller Bearing Spherical Roller Bearing Cylindrical Angular Contact Needle Bearing 21309 Bearing

Timken NSK NTN Koyo NACHI IKO Deep Groove Ball Bearing Taper Roller Bearing Spherical Roller Bearing Cylindrical Angular Contact Needle Bearing 21309 Bearing

Inner: 45mm
Outer: 100mm
Thickness: 25mm
Weight: 1.03kg
Material: Bearing Steel
Clearance: C2, C3, C4, C5
Samples:
US$ 1/Piece 1 Piece(Min.Order)
| Request Sample
Customization:
Manufacturer/Factory & Trading Company
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Shandong, China
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  • Overview
  • Product Description
  • Packaging & Shipping
  • Certifications
Overview

Basic Info.

Model NO.
21309
Vibration Level
V1, V2, V3, V4
Rolling Body
Roller Bearings
Package
Plastic Bag+Carton+Pallet
Lubrication
Oil ,Grease
Service
OEM Customized Services
Sample
Available
Lead Time
0-15days
HS Code
8482300000
Production Capacity
50000PCS

Product Description

Product Description
 
Product Name Spherical Roller Bearing Deep Groove Ball Bearing Tapered Roller Bearing Cylindrical Angular Contact Needle Bearing
Brand Name
TIMKEN NSK NTN Koyo NACHI IKO
Seals Type OPEN/2Z/2RS/Z/RS
Material Chrome Steel,Stainless steel, Ceramic,Nylon
Clearance C0,C2,C3,C4,C5
Precision Grade P0,P6,P5,P4,P2(ABEC1, ABEC3, ABEC5, ABEC7, ABEC9)
Greece SRL ,PS2, Alvania R12 ,etc
Number of Rows Single Row  
Certifications ISO 9001
Package Box, Carton, Wooden Box, Plastic Tube, or Per buyers requirement.
MOQ 2PCS
Service  OEM
Sample Available
Payment Term  TT or L/C or Western Union
Port Guangzhou/Qingdao/Shanghai
Timken NSK NTN Koyo NACHI IKO Deep Groove Ball Bearing Taper Roller Bearing Spherical Roller Bearing Cylindrical Angular Contact Needle Bearing 21309 Bearing
Timken NSK NTN Koyo NACHI IKO Deep Groove Ball Bearing Taper Roller Bearing Spherical Roller Bearing Cylindrical Angular Contact Needle Bearing 21309 Bearing
Timken NSK NTN Koyo NACHI IKO Deep Groove Ball Bearing Taper Roller Bearing Spherical Roller Bearing Cylindrical Angular Contact Needle Bearing 21309 Bearing






Self-aligning roller bearings have double-row rollers, the outer ring has a common spherical raceway, and the inner ring has two raceways that are inclined at an angle relative to the bearing axis. This ingenious structure makes it have self-aligning performance, so it is not easy to be affected by the angle error or shaft bending of the shaft and the bearing housing, and is suitable for installation errors or shaft deflection that cause angle errors. In addition to bearing radial loads, the bearing can also bear axial loads acting in both directions.

Timken NSK NTN Koyo NACHI IKO Deep Groove Ball Bearing Taper Roller Bearing Spherical Roller Bearing Cylindrical Angular Contact Needle Bearing 21309 Bearing
Timken NSK NTN Koyo NACHI IKO Deep Groove Ball Bearing Taper Roller Bearing Spherical Roller Bearing Cylindrical Angular Contact Needle Bearing 21309 Bearing

 

Spherical Roller bearings are designed to carry heavy loads, even under misalignment or shaft deflection. Spherical Roller bearings can also handle axial loading in either direction and heavy shock loads. Available with a cylindrical or a tapered bore for mounting with or without a sleeve adapter. Available with many internal clearance (C2 to C4) and retainer options. Available bore dimension range is 20mm to 900mm.


Spherical roller bearings are self-aligning bearings that are consequently insensitive to misalignment of the shaft, they have two rows of rollers so they are able to carry heavy radial loads, all sizes are available with cylindrical or tapered bores.
Spherical roller bearings are produced in several designs, depending on bearing series and size. The differences are
- the arrangement of the floating guide ring as well as
- the design of the inner ring and/or cages,
as described in the following.

C(J), CC--Two window-type steel cages, flangeless inner ring and guide ring centred on the inner ring

EC(J), ECC(J)--Two window-type steel cages, flangeless inner ring, guide ring centred on the inner ring and reinforced roller complement.

CA--One-piece machined brass cage, double-pronged, retaining flanges on the inner ring and guide ring centred on the inner ring

CAF-- As CA, but with a steel cage.

ECA, ECAC-- Reinforced roller complement, one-piece machined brass cage, double-pronged, retaining flanges on the inner ring, guide ring centred on the inner ring.

ECAF-- As ECA, but with a steel cage.

E-- For bearings with a bore diameter d ≤ 65 mm: Two pressed window-type steel cages, flangeless inner ring and guide ring centred on the inner ring

CAFA-- One-piece machined steel cage, double-pronged, centred on the outer ring raceway, retaining flanges on the inner ring and guide ring centred on the inner ring.

 

 
  • Double row spherical roller bearing for applications that support radial and oscillating axial loads
  • C4 radial clearance allows thermal expansion for continuous operating temperatures up to 200 degrees C/392 degrees F
  • Straight bore for fitting to a conventional cylindrical shaft
  • Outer ring-guided brass cage evenly spaces rollers for reduced friction, vibration, and noise
  • Open design, circumferential groove and three lubrication holes in the outer ring allow for lubrication in place
Timken NSK NTN Koyo NACHI IKO Deep Groove Ball Bearing Taper Roller Bearing Spherical Roller Bearing Cylindrical Angular Contact Needle Bearing 21309 Bearing
 
Packaging & Shipping

 

Timken NSK NTN Koyo NACHI IKO Deep Groove Ball Bearing Taper Roller Bearing Spherical Roller Bearing Cylindrical Angular Contact Needle Bearing 21309 Bearing
Timken NSK NTN Koyo NACHI IKO Deep Groove Ball Bearing Taper Roller Bearing Spherical Roller Bearing Cylindrical Angular Contact Needle Bearing 21309 Bearing
Timken NSK NTN Koyo NACHI IKO Deep Groove Ball Bearing Taper Roller Bearing Spherical Roller Bearing Cylindrical Angular Contact Needle Bearing 21309 Bearing
 
Certifications

Timken NSK NTN Koyo NACHI IKO Deep Groove Ball Bearing Taper Roller Bearing Spherical Roller Bearing Cylindrical Angular Contact Needle Bearing 21309 Bearing

FAQ
1 : Why choose us?
      We have more than 20 years of professional experience in bearing industry .
      We sell variety of bearing brands and can also do OEM and ODM.

2: How about the quality of products in your company?
    We implement strict inspection on all bearing parts before the production and during the production process, all bearing meet ISO international standard.

3: How to choose a bearing?
   We have a professional engineer team to help you choose bearing and find appropriate solutions, contact us now!

4: How long is your delivery term?
   Our standard product delivery term is 0 to 15 days. 

5: Do you provide samples?
    Yes, we provide samples, but shipping cost and tax pay by buyer.

 

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Diamond Member Since 2024

Suppliers with verified business licenses

Manufacturer/Factory & Trading Company
Number of Employees
11
Year of Establishment
2016-11-29