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Bearing is an important component in contemporary mechanical equipment. Its main function is to support the rotating parts of the machinery, reduce the friction coefficient during their movement, and ensure their rotational accuracy.
Specification
|
Item |
Details |
|
Product Name |
Bearing |
|
Type |
Rolling Bearing, Plain Bearing |
|
Grade |
GCr15,9Cr18/9Cr18Mo |
|
Accuracy grade |
P0 (ordinary) → P6 → P5 → P4 → P2 |
|
Model |
6205,6308,NU208, etc |
|
Structure |
Inner ring, outer ring, rolling elements |
Common Bearing Types and Their Specific Applications
Deep Groove Ball Bearings
Features: Simple structure, low friction coefficient, high limit rotational speed.
Applications: Household appliances (washing machines, fans), small motors, gearboxes, automotive wheels, machine tools.
Tapered Roller Bearings
Features: Line contact, capable of withstanding heavy radial and unidirectional axial loads.
Applications: Automotive drive shafts, main shafts, heavy machinery, mining machinery, agricultural machinery.
Angular Contact Ball Bearings
Features: Inner and outer raceways have contact angles, capable of simultaneously bearing radial and single-directional axial loads, high precision.
Applications: Machine tool main shafts, high-frequency motors, steam turbines, boosters.
Needle Roller Bearings
Features: Small radial size, high load capacity, but slightly higher friction.
Applications: Motorcycles, automotive transmission systems, industrial robots, pumps, road rollers.
Spherical Roller/Ball Bearings
Features: Have automatic self-aligning performance, capable of compensating for shaft deflection or misalignment errors.
Applications: Large machinery, crushers, paper machinery, wind turbines.
Thrust Ball/Roller Bearings
Features: Only suitable for bearing axial loads, usually at lower rotational speeds.
Applications: Crane hooks, vertical water pumps, automotive steering pins.
The functions of bearings
- Support and positioning: Fix the position of the shaft to ensure rotational accuracy.
- Reduce friction and energy consumption: Convert sliding friction to rolling friction (rolling bearings), significantly reducing resistance and improving efficiency.
- Bear and transmit force: Bear radial, axial or combined loads and transfer them to the base.
- Reduce vibration and noise: Minimize vibration and noise, extending the lifespan of the entire machine.
|
1. Deep Groove Ball Bearing, Series 62 |
|||
|
Model No. |
ID (mm) |
OD(mm) |
Width (mm) |
|
6200 |
10 |
30 |
9 |
|
6201 |
12 |
32 |
10 |
|
6202 |
15 |
35 |
11 |
|
6203 |
17 |
40 |
12 |
|
6204 |
20 |
47 |
14 |
|
6205 |
25 |
52 |
15 |
|
6206 |
30 |
62 |
16 |
|
6207 |
35 |
72 |
17 |
|
6208 |
40 |
80 |
18 |
|
6209 |
45 |
85 |
19 |
|
6210 |
50 |
90 |
20 |
|
2. Deep Groove Ball Bearing, Series 63 |
|||
|
Model No. |
ID (mm) |
OD(mm) |
Width (mm) |
|
6300 |
10 |
35 |
11 |
|
6301 |
12 |
37 |
12 |
|
6302 |
15 |
42 |
13 |
|
6303 |
17 |
47 |
14 |
|
6304 |
20 |
52 |
15 |
|
6305 |
25 |
62 |
17 |
|
6306 |
30 |
72 |
19 |
|
6307 |
35 |
80 |
21 |
|
6308 |
40 |
90 |
23 |
|
6309 |
45 |
100 |
25 |
|
6310 |
50 |
110 |
27 |
|
3. Cylindrical Roller Bearing |
|||
|
Model No. |
ID (mm) |
OD(mm) |
Width (mm) |
|
NU204 |
20 |
47 |
14 |
|
NU205 |
25 |
52 |
15 |
|
NU206 |
30 |
62 |
16 |
|
NU207 |
35 |
72 |
17 |
|
NU208 |
40 |
80 |
18 |
|
NU209 |
45 |
85 |
19 |
|
NU210 |
50 |
90 |
20 |
|
NU308 |
40 |
90 |
23 |
|
NU310 |
50 |
110 |
27 |
|
4. Tapered Roller Bearing |
|||
|
Model No. |
ID (mm) |
OD(mm) |
Width (mm) |
|
30204 |
20 |
47 |
14 |
|
30205 |
25 |
52 |
15 |
|
30206 |
30 |
62 |
16 |
|
30207 |
35 |
72 |
17 |
|
30208 |
40 |
80 |
18 |
|
30209 |
45 |
85 |
19 |
|
30210 |
50 |
90 |
20 |
|
5. Spherical Roller Bearing |
|||
|
Model No. |
ID (mm) |
OD(mm) |
Width (mm) |
|
22208 |
40 |
80 |
23 |
|
22209 |
45 |
85 |
23 |
|
22210 |
50 |
90 |
23 |
|
22211 |
55 |
100 |
25 |
|
22212 |
60 |
110 |
28 |
|
22213 |
65 |
120 |
31 |
|
22214 |
70 |
125 |
31 |
|
6. Thrust Ball Bearing |
|||
|
Model No. |
ID (mm) |
OD(mm) |
Width (mm) |
|
51104 |
20 |
35 |
10 |
|
51105 |
25 |
42 |
11 |
|
51106 |
30 |
47 |
11 |
|
51107 |
35 |
52 |
12 |
|
51108 |
40 |
60 |
13 |
|
51110 |
50 |
70 |
14 |
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