LM 11949 /910 Bearings
LM 11949/910 Bearings
2023-06-02
30303 Bearings
30303 Bearings
2023-06-02

32303 Bearings

32303 Bearings
32303 Bearings

32303 Single row tapered roller bearing, inch size

Technical Specification of 32303 Bearings

Dimensions of 32303 Bearings

d
17 mm
Bore diameter
D
47 mm
Outside diameter
T
20.25 mm
Total width
d1
30.7 mm
Shoulder diameter of inner ring
B
19 mm
Width of inner ring
C
16 mm
Width of outer ring
r1,2
min.1 mm
Chamfer dimension of inner ring
r3,4
min.1 mm
Chamfer dimension of outer ring
a
12.15 mm
Distance side face to pressure point

Abutment Dimensions of 32303 Bearings

da
max.24 mm
Diameter of shaft abutment
db
min.23.5 mm
Diameter of shaft abutment
Da
min.39 mm
Diameter of housing abutment
Da
max.41.5 mm
Diameter of housing abutment
Db
min.43 mm
Diameter of housing abutment
Ca
min.3 mm
Minimum width of space required in housing on large side face
Cb
min.4 mm
Minimum width of space required in housing on small side face
ra
max.1 mm
Radius of shaft fillet
rb
max.1 mm
Radius of housing fillet

Caliculation Data of 32303 Bearings

Basic dynamic load ratingC
42.8 kN
Basic static load ratingC0
33.5 kN
Fatigue load limitPu
3.65 kN
Reference speed 
12 000 r/min
Limiting speed 
16 000 r/min
Limiting valuee
0.28
Calculation factorY
2.1
Calculation factorY0
1.1

Mass of 32303 Bearings

Mass
0.17 lb

Product Features of 32303 Bearings

  • Single row tapered roller bearings, inch sizes, designed to accommodate combined radial and axial loads and provide low friction in operation. The inner ring, including the rollers and cage, can be mounted separately from the outer ring.

  • These detachable and interchangeable parts facilitate installation, removal and maintenance. Rigid applications of bearings are achieved by mounting one single row tapered roller bearing on top of another and applying preload.

  • High radial and axial load carrying capacity

  • Accommodates axial loads in one direction

  • low friction and long service life

  • Separable and Interchangeable Components

Applications of 32303 Bearings

  • Double row/single row tapered roller bearings are mainly used in gearboxes, lifting equipment, steel rolling mills and for mining machinery, such as pit boring machines.

  • In the front wheel hub of the car, the small size of double row tapered roller bearings are used

  • Four-row tapered roller bearings four-row tapered roller bearings used in large cold, hot rolling mills and other heavy machinery. Mainly used in heavy machinery.

Applications of W 618/0.6 Bearings
Cement
Applications of Bearings
Wind Turbines
Applications of Bearings
Steel Industry
Applications of Bearings
Railways
Applications of Bearings
Food Processing Machinery
Applications of Bearings
Motorcycles
Applications of Bearings
Mining & Construction
Applications of Bearings
Electric motors and generators

Product classification of Tapered roller bearings

FAQ

  • Ball bearings are ideal for high-speed rotation, while roller bearings are more suited for high loads.
  • Because cylindrical roller bearings have separable inner and outer rings, they generally do not come with seals (open specification). As such, please apply seals or other protection around the equipment mounting.
  • EW Series bearings are small and utilize a pressed cage, making them suitable for standard operating conditions. ET Series bearings use a polyamide-resin cage suited for high temperatures. Finally, EM Series bearings have machined cages for use in harsh conditions such as gearboxes or vibrating machinery or in applications where the bearing must be quiet, such as in mid-to-large size motors.

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