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30203 Tapered Cup and Cone Set 17x40x13.25
30203 bearing (inner diameter: 17.000 outer diameter: 40.000 thickness: 13.250 tapered roller metric 0000 series)
3576/3525 3577/3525 3585/3525 44162/44348 419/414 365A/362A HM803145/HM803110 HM803146/HM803110
365A/362 4388/4335 M903345/M903310 HM803145/HM803112 HM803146/HM803112 49162/49368 447/432
HM804840/HM804810 53162/ 53375 HM903244 HM903210 HM903245/HM903210 447/432X 53162/53387 HM903244/HM903216
526/522 HM80707010 464A/453A 2165X 3165X/11165X 3165X 3165X 3165X
Bearings are widely used in:
edible oil processing equipment drying line machine lettering machine tubular heat exchanger gear reducer hot air stove closed cooling tower plastic extruder air-cooled freezer flash dryer glass machinery pneumatic pump reciprocating pump rice noodle machinery metal Welding machines and other fields.
Structure · Type and Features
Tapered roller bearings are designed such that the raceway surfaces of the inner and outer rings and the apexes of the roller cones converge at one point on the central axis of the bearing, and when radial loads act on the bearing, axial force components are generated. Therefore, the two bearings must be used in opposite directions, or used as a pair of double bearings or double row bearings.
For the medium taper angle bearings and large taper angle bearings of the metric series, the contact angle codes C and D are respectively recorded behind the inner diameter code. Ordinary tapered angle bearings are not marked with contact angle codes, and medium tapered angle bearings are mainly used for pinion shafts of automotive differential devices.
In the high-load HR series, the basic code of the bearing marked with J, its outer ring width, outer ring raceway small end face diameter and contact angle are consistent with the ISO regulations. Therefore, the inner ring assembly (CONE) and outer ring of bearings with the same basic code marked with this code are internationally interchangeable.
Among the tapered roller bearings in the metric series specified in IS0355, there are new dimensions that do not follow the 3XX dimension series used in the past. Some of them are described in the dimension table. The width of the outer ring, the diameter of the small end face of the raceway of the outer ring and the contact angle are consistent with the provisions of ISO, and the inner components and the outer ring are internationally interchangeable. Its model is different from the previous metric series, and its composition is as follows
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