Home > Products > cylindrical roller bearing > NNU4972MAW33 cylindrical roller bearing dimension 360x480x118 mm
NNU4972MAW33 cylindrical roller bearing dimension 360x480x118 mm
- 100 Piece / Pieces per Month
- Shanghai,Qingdao
- T/T Other
- 3 days
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Product Details
Brand Name: | LYMC | Place of Origin: | China | Model Number: | NNU4972MAW33 |
Number of Row: | Double Row | Seals Type: | open | Precision Rating: | P0,P6, P5, P4 |
Outside Diameter: | 360, 480 | Bore Size: | , |
Product Description
NNU4972MAW33 Cylindrical roller bearing is of high load capacity and can operate at high speeds because they use rollers as their rolling elements. They can therefore be used in applications involving heavy radial and impact loading.
Name:Double/tow row cylindrical roller bearing NNU4972MAW33
Bearing type: NNU4972MAW33
Dimension:360x480x118 mm
Load Rating:
Static:2800KN
Dynamic:12700 KN
Weight:58.5 KGS
Delivery time:In stock, If ex-stock, the manufacture time about 15-20 days
The rollers are cylindrical in shape and crowned at the end in order to reduce the stress concentrations. They are also suitable for applications that require high speed because the rollers are guided by ribs which are either on the outer or inner ring.
The rollers of cylindrical roller bearings are a key component. Their geometry, the so-called logarithmic profile, provides an optimum stress distribution in the contact zones in the bearing, their surface finish maximizes lubricant film formation and optimizes rolling motion of the rollers. The benefits derived from this compared with traditional designs include enhanced operational reliability and a greater insensitivity to misalignment.
Full-Complement (NCF)
The full-complement (NCF) single-row bearings include integral flanges on the inner and outer rings. These bearings also can manage axial loads in one direction and permit small axial
displacements.
TWO-ROW BEARINGS
Two-row, or double-row, cylindrical bearings offer added radial capacity over tradition one-row types. These bearing types are interchangeable so the dimensions and diameter under the rollers (NNU style) and diameter over the rollers (NN style) are held to an ISO/DIN standard. The standard cage design is a drilled pocket, finger-style retainer
FOUR-ROW BEARINGS
Four-row cylindrical bearings have an extremely high radial load capacity, but no thrust capacity. This bearing type is mostly used in roll neck and work roll applications in the metal rolling industry. Straight and tapered bore designs are available.
In a cylindrical roller bearing, the rollers and racewaysare in linear contact. Consequently this type of bearing can support a larger radial load than a point-contact ball bearing. Also, its structure is suitable for high-speed operation.
A cylindrical roller bearing used for the main spindle of a machine tool can have either a double- or singlerow configuration, and certain variants have a tapered bore so the radial internal clearance can be adjusted.
Manufacturing ability:
Equipped with advanced manufacturing CNC Machine and test instruments to insure the accurate tolerance , all bearings are of uniform marking and packing with superior quality, reasonable prices and perfect services. Meanwhile we can make the module to test the mounting hole.
Quality control:
All the bearing from the forging to assembly process,It will need to inspect step.For the bearing forging we will need to test the size and hardness and surface, for the lathe process and grinding process,first it will need to check by the worker ,and then the professional inspector will checking the size and accurate,The last step the monitor will inspect the size. It can insure zero defect.
Service:
It can calculate the load curve.
Can offer assembly drawing based on the bearing working condition
Can offer pre- sale ,sale and after sale service
Contact Us
- Luoyang MC Bearing Technology CO.,LTD.
Four Point Contact Slewing Bearing | cylindrical roller bearing | crossed tapered roller bearing | RA thin section series |
CRB/CRBC series | SX Series | RU/XSU/XU Series | RE Series |
RB Series | CRBH Series |
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