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Wuxi BLS Mechanical Transmission Technology Co., Ltd.

Self Aligning Ball Bearings, Ball Bearings, Ceramic Ball Bearings manufacturer / supplier in China, offering Spherical Roller Bearings with Symmetrical / Asymmetrical Rollers, 22313ca Spherical Roller Bearings 65*140*48mm, Uelp211 and so on.

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Spherical Roller Bearings with Symmetrical / Asymmetrical Rollers

FOB Price: US $1 / Piece
Min. Order: 10 Pieces
Min. Order FOB Price
10 Pieces US $1/ Piece
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Production Capacity: 50000PCS/Month
Transport Package: as Requirement
Payment Terms: L/C, T/T, Western Union, Paypal

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Basic Info
  • Model NO.: 22218
  • The Number of Rows: Single
  • Separated: Separated
  • Origin: Jiangsu, China
  • Rolling Body: Ball Bearings
  • Load Direction: Radial Bearing
  • Trademark: SKF.NSK,KOYO,NTN,TIMKEN
  • HS Code: 8482101000
Product Description

Spherical roller bearings have two rows of rollers, a common sphered outer ring raceway and two inner ring raceways inclined at an angle to the bearing axis (fig. 1.) The centre point of the sphere in the outer ring raceway is at the bearing axis. Therefore, the bearings are self-aligning (fig. 2) and insensitive to misalignment of the shaft relative to the housing, which can be caused, for example, by shaft deflection. Spherical roller bearings are designed to accommodate heavy radial loads, as well as heavy axial loads in both directions.
 
Bearing performance is not only determined by load or speed ratings. There are a number of other factors that contribute to bearing performance. To a large extent, performance is influenced by the geometry of the rollers, raceways and cages, the heat treatment, as well as the surface finish of all contact surfaces. Main factors which influence SKF spherical roller bearing performance include, but are not limited to:
·         Symmetrical rollers 
Symmetrical rollers self-adjust (fig. 3), providing optimal load distribution along the roller length. This keeps stresses low under all load conditions and extends bearing service life.
·         Roller tolerances 
The rollers in an SKF spherical roller bearing are manufactured to extremely tight tolerances for dimension and form. Each roller is virtually identical in size and shape to the other rollers in the set. This optimizes load distribution over the rollers to maximize bearing service life.
·         Special roller profile 
The roller profile determines the stress distribution in the roller/raceway contact area. The special profile distributes loads more evenly along the rollers and prevents stress peaks at the roller ends to extend bearing service life (fig. 4).
·         Self-guiding rollers and a floating guide ring between the two rows of rollers 
Self-guiding rollers reduce friction and frictional heat (fig. 5). A floating guide ring guides unloaded rollers so that they enter the load zone in the optimal position.       
·         Metal cages 
All spherical roller bearings contain strong metal cages. This enables them to tolerate high temperatures and all lubricants.
 
Model Number22218 - EASK - M - C3 / 22218CCK/W33
TypeSpherical Roller Bearings With Symmetrical Rollers , Asymmetrical Rollers
Seals TypeOPEN
MaterialDuctile iron, Gray iron , Stainless steel,Bearing steel,
Cage material Nylon, steel, brass
Clearance C0, C2, C3, C4, C5
Vibration Zv1, Zv2 and Zv3
Precision Rating P0/6/5/4/2 or ABEC 1/3/5/7/ 9 or normal class,class 6/5/4/2
Greese As you requirement, such as SRL, PS2, Alvania R12 and so on.
Number of Row Single Row,Double Row
MOQ1set
Application1)Agriculture,2)Light textile,3)Mining,4)Food &beverage,5)Pharmaceutical,
6)Chemical processing,7)Printing,8)Dyeing,9)Airport,10)Air-conditioning,
11)Various kinds of conveying and rolling devices.
CertificationsDIN 635-2-1984,DIN 5416-1990, GB/T 286-1964, GB/T 288-1994,
 ISO 9001:2008 ,SSG
Service 1)OEM or as your demand.2) Prompt Delivery.
3) Buyer Label accepted.4) Follow up and maintainance
Delivery Detail 10-15 days or according to order qty
Package Box, Carton, Wooden Case, Plastic Tube,Pallet or Per buyers requierment .
Sample Free provide
Payment A30% deposit by T/T, Western Union, Paypal, 70% before delivery.
Payment B30% deposit,the balance be paid against copy of original B/L.
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