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Plastic machinery bearing five categories including: Thrust tapered roller bearings, angular contact ball bearings, double row tapered roller bearings, tapered roller bearings, deep groove ball bearings. Various types of bearings features are as follows:
Thrust tapered roller bearing structure, performance characteristics?
Since thrust tapered roller bearings rolling body is tapered roller, rolling in the structure of the bus and the washer raceway bus TIMKEN bearings are intersect at a point on the axis line, and thus can form pure rolling rolling surface, limit speed is higher than the thrust cylindrical roller bearings.
Thrust tapered roller bearings can withstand a one-way axial load.
Thrust tapered roller bearing type code 90000.
Since thrust tapered roller bearing production is less, the plant has produced models are mostly nonstandard dimensions, while the standard dimensions of the series, varieties produce less, and thus currently no kind of bearing dimensions introduction of national standards.
Axial angular contact ball bearing structure, performance characteristics?
Axial angular contact ball bearing contact angle of 60 ° commonly used general thrust angular contact ball bearings are generally two-way thrust angular contact ball bearings, mainly used for precision machine tool spindle, usually with double row cylindrical roller bearings used in conjunction, can withstand two-way axial to load, with high accuracy, good rigidity, low temperature, high speed, easy assembly and disassembly.
Double row tapered roller bearing structure, performance characteristics
Double row tapered roller bearings range, the maximum amount is 35 000 type, with one pair of outer and two inner ring raceway, there is an interval between the two inner circle, changing the thickness of the spacer adjustable clearance. These bearings radial load at the same time can withstand axial load, TIMKEN bearings in the axial clearance range limit axial displacement of shaft and housing.
Tapered roller bearing structural features.
Tapered roller bearing type code 30000, tapered roller bearings are separable bearings. Under normal circumstances, especially in GB/T307.1-94 "Rolling bearings tolerance" are involved in a range of sizes within the tapered roller bearing outer ring and inner components can be interchanged between one hundred percent use. The angle of the outer ring and the outer raceway diameter size has been standardized with the same size and shape provides. Not allowed to change in design and manufacturing. To cause the tapered roller bearing outer ring and inner components available in the world between interchangeable.
Tapered roller bearings are mainly used to bear radial load mainly radial and axial joint load. And angular contact ball bearings, bearing capacity, low speed limits. Tapered roller bearings can withstand axial load in one direction, the shaft or housing to limit axial displacement in one direction.
Deep groove ball bearings features?
Deep groove ball bearings in the structure of each ring has a cross-section of the equatorial circumference of the ball one-third of the continuous groove type raceway.
Deep groove ball bearings are mainly used to bear radial load, but also bear certain axial load.
When TIMKEN bearing radial clearance increases, with the nature of angular contact ball bearings, can withstand both directions alternating axial load.
With the same size compared to other types of bearings, such bearings friction, high limiting speed, high precision, user selection is preferred TIMKEN bearing type.
Deep groove ball bearing structure is simple, easy to use, is the largest production volume, most widely used of a class of TIMKEN bearings.
| Product Model | Inside Diameter | Outside Diameter | Thickness |
| 7930CDB NSK | 150 | 210 | 28 |
| 7930A5DB NSK | 150 | 210 | 28 |