High Precision Four Row Cylindrical Roller Bearing
- Ref Price:
-
- Loading Port:
- Qingdao
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 1 pc
- Supply Capability:
- 100000 pc/month
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Specification
Matel:
Gcr15
Cage:
Steel Brass
Features:
High Speed
Certification:
CE,ISO
Keywords:
High precision
Bearing type:
cylindrical roller bearing
Main Market:
USA, Middle east
Application:
Rolling mill
High Precision Four Row Cylindrical Roller Bearing
| Name | Deep Groove Ball Bearing | ||||||||||||
| Type | Ball | ||||||||||||
| Materials | GCr15,Ceramic,Plastic,Chrome steel,stainless steel,carbon steel | ||||||||||||
| cage's material | Steel,Brass,Nylon,Iron, Copper | ||||||||||||
| Place of original | Shandong,China(Mainland) | ||||||||||||
| Seals type | Open,Sealed,ZZ,Z,2RS,RS | ||||||||||||
| Clearance | C0,C1,C2,C3,C4,C5,C6 | ||||||||||||
| Precision | ABEC-1 | ||||||||||||
| 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 | ||||||||||||
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: NSK cylindrical roller bearings EW/EM series of differences and characteristics
- E international is called "reinforced type" load, also means to increase rolling bodyW international is called a steel cageM international is called brass retainerThis can be a question, just ask, for reference only
- Q: Can the Nu and N type NJ NUP cylindrical roller bearings bear axial force?
- The answer upstairs is clear. Such bearings can not be designed with axial force. In use, the inner and outer rings of the bearing can have larger axial displacement, and the aim is to compensate the length change caused by the rotating part of the two bearing due to the temperature rise.
- Q: Attention problems of cylindrical roller bearings
- 4, when the interference is large, the oil bath heating or inductor heating bearings can be used to install the heating temperature range of 80 degrees -100 DEG C, the maximum can not exceed 120 degrees centigrade. At the same time, the nut or other appropriate method is used to fasten the bearing so as to prevent the contraction of the bearing in the direction of width and to create a gap between the collar and the shaft shoulder. 5, single row tapered roller bearings installed, the final adjustment should be clearance. The clearance value shall be determined according to the working conditions and the magnitude of the interference fit. Test shall be carried out when necessary. Double row tapered roller bearings and pump shaft bearings have been adjusted for clearance at the factory, and no adjustment is necessary during installation. 6, the bearing should be installed after the rotation test, the first for the rotary shaft or bearing box, without exception, then the power for no load, low speed operation, and then gradually increase as the functioning of the rotation speed and load, and to detect noise, vibration and temperature, abnormal, should stop running and check. The running test is normal and can be used before delivery.
- Q: Cylindrical roller bearings NUP2311E mounting dimensions: Da (max): 69Da (min): 64DB (min): 72DC (min): 80Da (max): 111What are the specific meanings of these dimensions? Thank you, master
- I don't know what you mean. The size of NUP2311E is: inside diameter, 55mm, outside diameter, 120mm height: 43
- Q: Why does cylindrical roller bearings fail abnormally?
- Generally, the causes of abnormal failure of cylindrical roller bearings are as follows:1, cylindrical roller bearing manufacturing accuracy is poor, one end of the bearings with loose, and travel source is larger, bearing frame rigidity is poor. Or the bottom of the bearing seat is uneven.2, cylindrical roller bearings axis misalignment (misalignment) axis and the housing of the shoulder to the surface is not vertical, shell installation, bearing two or more holes, different axis.
- Q: Is the nu240em cylindrical roller bearing split?
- Cylindrical roller bearings are generally used to bear radial load, compared with deep groove ball bearings of the same size, with larger radial load capacity, speed limit is closer to the deep groove ball bearing, but the processing with the shaft and the bearing shell with high requirements, allow the inner ring and the outer ring axis axis inclination is small (2 degrees -4 two degrees), such as the axis is tilted beyond the limits, contact roller and raceway will worsen, seriously affect the load bearing capacity, reduce the service life of the bearing.
- Q: The thrust cylindrical roller bearings do not need the bearing seat, and the thrust bearings, shaft rings and seat rings on our unit are all in the bearing seat, often broken. The rotation of the 1. shaft in the bearing seat will not be affected, moreover, the shaft will have radial runout. 2. do not use the bearing seat, usually how to refuel?.Are there any field installation drawings or data on thrust bearings?. Thanks a million!
- In general, this kind of bearing does not use the bearing seat
- Q: How to calculate the clearance of bearings, such as 23226 double row cylindrical roller bearings
- 3, the bearing clearance in different conditions: the bearing clearance can be changed under different conditions, in particular, can be divided into: 1) the original clearance: the original bearing clearance refers to the complete installation in front of the machine after the bearings, the clearance in a free state of the. In fact, the original clearance is not to be measured by measurement, so the original clearance is often replaced by a test clearance. The inspection is in clearance inspection status, applied in measuring load conditions, clearance data instruments detection and, strictly speaking with the original bearing clearance is not the same, but little difference in the readings on the two in general, so it can replace each other without causing much error. 2) effective clearance: effective clearance, or work clearance, refers to the bearing in the installation of the host, in a certain load, to a certain temperature rise in a stable state of operation, bearings exist in the actual clearance. Obviously, the effective clearance is smaller than the original clearance.And 4, bearing clearance: clearance of bearing is to ensure that the bearings are to operate flexibly without blocking, but also requires that can ensure the bearing running smoothly, the bearing axis has no significant settlement, and the number of rolling elements bear the load as much as possible. Therefore, the clearance of the bearing has a great influence on the dynamic performance of the bearing (noise, vibration and friction) and the rotation accuracy, and the carrying capacity (wear and fatigue) of the bearing.
- Q: Thrust cylindrical roller bearings, the main use?
- Thrust cylindrical roller bearings, the main use? Thrust cylindrical roller bearings are mainly used in oil rigs, iron, steel, machinery and so on.
- 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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High Precision Four Row Cylindrical Roller Bearing
- Ref Price:
-
- Loading Port:
- Qingdao
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 1 pc
- Supply Capability:
- 100000 pc/month
OKorder Service Pledge
Quality Product, Order Online Tracking, Timely Delivery
OKorder Financial Service
Credit Rating, Credit Services, Credit Purchasing
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