Bearing Four Row Cylindrical Roller Bearing

Bearing Four Row Cylindrical Roller Bearing System 1

Bearing Four Row Cylindrical Roller Bearing System 2

Bearing Four Row Cylindrical Roller Bearing

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Loading Port:: Qingdao

Payment Terms:: TT OR LC

Min Order Qty:: 1 pc

Supply Capability:: 100000 pc/month

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Specification

Structure:

Cylindrical

Type:

Roller

Brand Name:

OEM

Number of Row:

Four Row

Main Market:

Arab, USA,Russian

Cage:

Steel Brass

Feature:

High Speed

Application:

Rolling mill

Material:

Gcr15

Four Row Cylindrical Roller Bearing

Name

Four Row cylindrical roller bearing

Type

Roller

Materials

GCr15

cage's material

Steel,Brass

Place of original

Shandong,China(Mainland)

Seals type

Open,Sealed

Clearance

C0,C1,C2,C3,C4,C5,C6

Precision

P0-P6

Feature

This is consisted of an inner and other ring with a cage containing a complement of precision balls.

Main application

Automobile,electrical equipment,instruments,agriculture machinery and many kinds of special machinery.

Brand

OEM,ODM

Market

America,Middle East,Southeast Asia,Brazil

Quality level

AA+，A,B,C

Package

1,barreled package+outer carton+pallets

2,single box+outer carton+pallets

3,tube package+middle box+outer carton+pallets

4,According to your requirement

MOQ

10PCS

Port

Qingdao

Payment Terms

T/T,PAYPAL,WESTERN UNION

Delivery time

5-25days,According to QTY

Pictures of products

Features

1.) Offers a complete range, both metric and inch sizes available in metric and

imperial bore sizes ranging from 12 to 1320 mm.

2.)High radial load capacity - making cylindrical roller bearings suitable for high

speed applications.

3.)Designs - designated NU, NJ, NUP, N or NF for single row bearings and NNU or

NN for double row types, defines the bearing ring rib configuration.

4.) Cages - Available with pressed steel, machined brass and polyamide cages

throughout the range.

5.) Special designs - manufactures a range of four-row cylindrical roller bearings,

primarily designed for use as steel mill roll-neck bearings.

6.)Bearings are also available with both lubrication holes and a machined

lubrication groove on the outside surface of the outer ring.

Package

Factory

Q: How much is the axial force of double row cylindrical roller bearings? How is it calculated?: The cylindrical roller bearings have ribs can withstand certain axial force, the axial force for cylindrical but still belongs to the non normal stress, can cause early failure of the bearing, it is generally not given the axial bearing capacity, no formula

Q: KOYO cylindrical roller bearings, //KOYO cylindrical roller bearings, how to determine the accuracy level?: Bearing accuracy grade standards for, divided into 0, 6X, 6, 5, 4, 2, six grades.The accuracy of bearings is increased in order of magnitude 0, which is adequate for general 0, but requires 5 or higher accuracy when used in other conditions or situations.In most cases, it is sufficient to apply KOYO bearings (tolerance grade PN) with general dimensional accuracy and rotational accuracy. When higher requirements are required, the bearings require higher levels of accuracy, for example, the spindle axis of the machine toolBearing. In order to achieve higher precision requirements, the standard specifies the tolerance levels of P6, P6X, P5, P4 and P2. KOYO also specified P4S, SP and UP tolerances for some special bearings in accordance with company standards.

Q: Full use cylindrical roller bearings, uses and advantages?: In order to make the bearings work properly, the bearings must withstand a minimum load, i.e., C/P<25, in continuous operation.

Q: Can cylindrical roller bearings bear high temperature?: Bearing is not high temperature grease is not high temperature, a grease temperature does not exceed 120 degrees, high temperature will lead to bearing lubrication performance, unable to work, in fact, the bearing itself can be high temperature resistant.

Q: For bearing type, no outer ring single row cylindrical roller bearings, bore 40, thickness 21, roller diameter 8, roller length 12: Hello, according to your descriptionCylindrical roller bearings NN3008-AS-K-M-SPAccording to the main dimensions of the DIN 5412-4 standard, non locating bearing, double row, with taper hole taper 1:12, can be separated, with cage, radial internal clearance decreased, tolerance limitInternal diameter D 40 mmOuter diameter D 68 mmThe thickness is B 21 mmDa Max 63 mmDb min 62 mmD1 50,6 mmDa min 45, mm, DS, 3,2, mmE 61, mmNS 4,8 mmRA Max 1 mmRmin 1, mmS 1,4 mmAxial offset from the center positionM 0303, kgqualityCr 45000, NBasic rated dynamic load, radialC0r 58500, NBasic rated static load radialNG Fett 12000 1/minLimit speed of grease lubricationNG l 15000 1/minLimit speed at least oil lubricationCur 8400, NFatigue limit load, radial

Q: What's the difference between imported bearings and imported bearings?: The 2 kind of bearing retainer material is mostly copper, and the retainer pin is also copperThere is also a steel retainerImported bearings also have copper and steel

Q: For example, NU, NJ, N, RNU, NUP, NF, NO, NN, RN, what do you mean, who can tell me about that hero?: NU outer ring, double retaining ring, inner ring without edgeNJ outer ring, double retaining ring, inner ring, single edge

Q: Rolling bearing face to face or back to back on the use of cylindrical roller bearing pairs, the speed limit will be reduced? Please, thank you!: Cylindrical roller bearings themselves require that the applied speed can not be too high, especially in short axis applications

Q: The Russian bearing suffix No. ZST is a cylindrical roller bearing: Well, you have to write out the whole model. The suffix code is not used to distinguish the bearings, but it helps to explain the structure of the bearings and the material.

Q: Why should the main shaft be coupled with double row cylindrical roller bearings?: Separable, easy to install and disassemble, mainly used in lathe, milling machine, machining center and other high-precision machine tool spindle. Hope to be of help to you.

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