China Supplier High Precision Cylindrical Roller Bearing ,High Precision Chinese Factory NU 306 E
- Ref Price:
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- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 10 set
- Supply Capability:
- 100000 set/month
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Product Specifications:
Cylindrical roller and race for line contact bearing. Load capacity is big, mainly bear radial load .
1. Friction coefficient is small, suitable for high speed limit speed close to deep groove ball bearings
2.N and NU type axial movement, can adapt to shaft caused by thermal expansion or installation error and shell the change of relative position, can be used for free end bearing
3. On the shaft or hole of the processing and the demand is higher, bearing outer axis relative deflection after installation to be kept under strict control, so as not to cause contactstress concentration
4. Inner ring or outer ring separable, easy to install and remove
Specification | Model No.: NU 306 E |
Brand Name: OEM | |
Size:30*72*19mm | |
Net weight: 0.370kg | |
Material: Chrome steel | |
Cage: Brass, Steel | |
Features: | 1) Precision: P6 P5 P4 P2 |
2) Noise level: Z1, Z2, Z3, Z4 | |
3) Vibration Level: V1, V2, V3, V4 | |
4) Clearance: C2, C3, C4 | |
5) Hardness: 58-63 HRC | |
6) Greese: As your requirement, such as SRL, PS2, Alvania R12 and so on. | |
Packing | 1.Industrial packing: box |
2.Commercial packing: box then into standard carton/wooden Box | |
3.According customer's requirement | |
Payment | T/T, L/C, Western Union |
Delivery time | About 3 to 5 working days |
Services | Warrantee: 1 year |
Samples: available | |
OEM: available | |
Free technical support and after-sales service |
Packaging & Delivery
Packaging Details: | plastics wrapping bearings - wrapping papers - polywoven bag - carton for outside package - wooden box /According to your order |
Delivery Detail: | 30-40days/according to your order |
Product Applications:
Cylindrical roller bearings are widely used in machinery and equipment, electric power, steel, metallurgy, petroleum,
chemical engineering, machine tool, spinning, car, electrical machine, precise instrument,
mining machinery, construction machinery, engineering machinery, railway.
- Q: NSK cylindrical roller bearings EW/EM series of differences and characteristics
- M international is called brass retainerThis can be a question, just ask, for reference only
- Q: Why are cylindrical roller bearings suitable for traveling support?
- Cylindrical roller bearings without inner sides of the inner ring or outer ring, whose inner and outer rings can be moved relative to the axial direction, so they can be used as free end bearings.
- Q: How are the twin row cylindrical roller bearings classified?
- Classification of double row cylindrical roller bearings:The NN0000 type cylindrical roller bearingsThe bearings are compact in structure and small in deformation under load, so they are especially suitable for the support of the spindle of machine tools. Because of its no outer wall, so you can install the outer ring and the inner ring assembly respectively (with roller and cage), does not limit the axial displacement of the shaft or housing, compared with the single row cylindrical roller bearing with the same radial size, can bear larger radial load.
- 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: Is the roller bearing and the bearing chamber movable in the tapered rotor motor?
- E in cylindrical roller bearing is the meaning of improving internal cage design, similar to the SKF cylindrical roller bearing EC form, this type of bearing than without E, is to strengthen the design, the roller is filled more larger to increase the load. From the load point of view, it is better to choose E.
- Q: What kind of material is used for cylindrical roller bearings?
- Ah, you ask what material to do, of course, with the bearing steel do ah. Bearing steel, however, is well distributed. Generally use GL15#
- 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, applicable speed can be very high, check all kinds of high speed motorized spindle bearing configuration will know.
- 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: The Russian bearing suffix No. ZST is a cylindrical roller bearing
- The suffix code is not used to distinguish the bearings, but it helps to explain the structure of the bearings and the material.
- Q: How to calculate the clearance of bearings, such as 23226 double row cylindrical roller bearings
- First of all for the bearing clearance calculation is a very complicated problem, because the bearing structure of different types, and the usage of different materials, the temperature of different factors such as the clearance is different, and because of the different structure types and some bearing bearing clearance is divided into radial clearance and axial clearance; also need to pay attention to the bearing clearance is usually divided into the following 1. conditions, clearance before installation, usually refers to the bearing manufacturers factory according to the standard to determine the clearance of bearing clearance. 2., after the installation clearance, because the bearing inner ring and the shaft is interference fit, when the bearings installed on the shaft, its inner ring will be as the amount of interference and expansion, resulting in smaller clearance of bearings. 3. clearance work, because the bearing is affected by load and rotating friction in the work, the temperature will gradually increase, will cause the bearing inner ring further expansion, which will make further changes in bearing clearance. However, the main clearance of the bearing is the largest (minimum) diameter of the raceway of the outer race of the bearing, the largest (minimum) diameter of the rolling body and the largest (smallest) diameter of the raceway of the inner race. For example, cylindrical roller bearings, its largest clearance = outer raceway raceway, maximum diameter of -2* roller minimum diameter - inner raceway minimum diameter derived, and conversely, for the smallest clearance. The average user of bearings actually doesn't need to know that.The other 23226 models should be the spherical roller bearing, not double row cylindrical roller bearing.I hope my answer will be of some help to you!
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China Supplier High Precision Cylindrical Roller Bearing ,High Precision Chinese Factory NU 306 E
- Ref Price:
-
- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 10 set
- Supply Capability:
- 100000 set/month
OKorder Service Pledge
OKorder Financial Service
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