China 30202 Tapered roller bearings, single row manufacturers and suppliers

30202 Tapered roller bearings, single row

Short Description:

Single row tapered roller bearings are designed to accommodate combined loads, simultaneously acting radial and axial loads. The projection lines of the raceways meet at a common point on the bearing axis to provide a true rolling action and therefore low frictional moments during operation. The axial load carrying capacity of tapered roller bearings increases with increasing contact angle α. The size of the contact angle, which is usually between 10° and 30°.

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The Features of Tapered roller bearings

1.Low friction
The optimized roller end design and surface finish on the flange promote lubricant film formation, resulting in lower friction. This also reduces frictional heat and flange wear.

2.Enhanced operational reliability
Optimized surface finish on the contact surfaces of the rollers and raceways supports the formation of a hydrodynamic lubricant film.

3.Consistency of roller profiles and sizes
The dimensional and geometrical tolerances for the tapered roller bearings is practically identical. This provides optimal load distribution, reduces noise and vibration, and enables preload to be set more accurately.

4.Rigid bearing application
A single row tapered roller bearing is typically adjusted against a second tapered roller bearing. By applying a preload, a rigid bearing application can be achieved.

5.Separable
The inner ring with roller and cage assembly (cone) can be mounted separately from the outer ring (cup).

30202 detail Specifications

30202 detail Specifications:
Material:52100 Chrome Steel
Construction:Single row
Metric series
Limiting speeds Oil: 15000rpm
Limiting speeds Grease: 11000rpm
Weight:0.055 kg

Main Dimensions:
Bore diameter(d):15mm
Outer diameter(D): 35mm
Width of inner ring(B): 11mm
Width of outer ring(C): 10mm
Total width(T): 11.75
Chamfer dimension of inner ring(r )min.:0.6mm
Chamfer dimension of outer ring( r) min.:0.6mm
Dynamic load ratings(Cr):14.22KN
Static load ratings(Cor): 13.05KN

ABUTMENT DIMENSIONS
Diameter of shaft abutment(da)max.:20 mm
Diameter of shaft abutment(db) min.:20.5 mm
Diameter of housing abutment(Da)min.:30 mm
Diameter of housing abutment(Da)max.:30.5 mm
Diameter of housing abutment(Db)min.:32 mm
Minimum width of space required in housing on large side face(Ca)min.:2 mm
Minimum width of space required in housing on small side face(Cb)min.:2.5 mm
Radius of shaft fillet(ra)max.:0.6 mm
Radius of housing fillet(rb) max.:0.6 mm