Self Aligning Ball Bearing:1204
Self Aligning Ball Bearing:1204 - Image 2
Self Aligning Ball Bearing:1204 - Image 3
Self Aligning Ball Bearing:1204 - Image 4

Self Aligning Ball Bearing:1204

Product Name: Self Aligning Ball Bearing:1204
Type: Ball Bearing Brand : FODA
New Model: 1204 Old Model: 1204
Inner Diameter (mm): 20 Outer Diameter (mm): 47
Thickness (mm): 14 Weight (kg/pc): 0.116
Category:

Description

Basic Parameters

In bearing 1204, “1”: Indicates that the bearing type is a self-aligning ball bearing. Self-aligning ball bearings are characterized by their two rows of balls and a spherical outer ring raceway, enabling them to automatically compensate for shaft misalignment or mounting errors. They can bear radial loads and moderate axial loads in both directions. “2”: Indicates the bearing’s diameter series code. The diameter series code represents the relative dimensions of the bearing’s inner and outer diameters. The 2 series typically signifies a light series, meaning the bearing has a relatively compact size while maintaining suitable load-carrying capacity for its internal diameter. “04”: Indicates the bearing’s inner diameter code. Following the standard rule (inner diameter = code × 5), the actual inner diameter of the 1204 bearing is 04 × 5 = 20mm. The model 1204 bearing does not explicitly indicate the tolerance grade, which is generally assumed to be grade 0, the normal precision level. This grade meets typical dimensional and rotational accuracy requirements for most general applications.

In summary, the bearing model 1204 signifies a self-aligning ball bearing from the light diameter series, with an inner diameter of 20mm and normal precision. Due to its self-aligning feature and load-carrying characteristics, this bearing is widely used in machinery where shaft misalignment is likely to occur, such as in electric motors, pumps, and conveyor systems, providing reliable performance under radial and moderate axial load conditions.

Product Application

1. Electric Motors & Generators
In electric motors (e.g., fractional horsepower motors, small industrial motors), the 1204 bearing compensates for minor shaft-to-housing misalignments caused by installation errors or thermal expansion. Its dual-row ball design and spherical outer ring raceway reduce vibration and noise, enhancing motor efficiency and service life, even under moderate radial loads with occasional axial forces from belt drives or gear transmissions.
2. Pumps & Compressors
For centrifugal pumps, submersible pumps, or air compressors, where shafts may deflect slightly due to fluid pressure or mechanical stress, the 1204 bearing’s self-aligning feature minimizes stress concentrations and prevents premature wear. It efficiently handles radial loads from impeller rotation and moderate axial loads from fluid thrust, ensuring stable operation in wet or dusty environments with minimal maintenance.
3. Conveyor Systems & Material Handling
In belt conveyors, roller conveyors, or packaging machinery, the 1204 bearing excels in applications with misaligned rollers or shafts subjected to off-center loads. Its light series design (diameter series “2”) allows compact integration into space-constrained conveyor frames, while the self-aligning function accommodates misalignment caused by frame flexure or uneven mounting surfaces. This reduces downtime from bearing failure and improves system reliability in logistics, food processing, or bulk material handling.
4. Agricultural Machinery
In tractors, combines, or irrigation pumps, exposed to harsh conditions like dirt, moisture, and variable loads, the 1204 bearing’s robust structure and self-aligning ability make it suitable for pulleys, gearboxes, or pivot points. It withstands radial loads from agricultural implements and moderate axial loads from misaligned drive components, ensuring consistent performance in dusty, high-vibration environments where precise shaft alignment is challenging.
5. Light Industrial Equipment
For fans, blowers, textile machines, or woodworking tools, the 1204 bearing offers a cost-effective solution for high-speed applications with occasional misalignment. Its normal precision grade (grade 0) meets standard rotational accuracy requirements, while the self-aligning feature mitigates errors from unbalanced impellers or flexible drive systems, reducing energy loss and extending maintenance intervals.

Product List 

Bearing No. Dimensions (mm) Basic Load Rating (N)      Weight (kg)
ISO GOST d D B Dyn. C Stat. C0
1200 1200 10 30 9 5480 1200 0.034
1201 1201 12 32 10 5550 1250 0.04
1202 1202 15 35 11 7480 1750 0.049
1203 1203 17 40 12 7900 2020 0.073
1204 1204 20 47 14 9950 2650 0.116
1205 1205 25 52 15 12000 3300 0.14
1206 1206 30 62 16 15800 4700 0.22
1207 1207 35 72 17 15800 5080 0.32
1208 1208 40 80 18 19200 6400 0.415
1209 1209 45 85 19 21800 7320 0.465
1210 1210 50 90 20 22800 8080 0.531
1211 1211 55 100 21 26800 10000 0.705
1212 1212 60 110 22 30200 11500 0.9
1213 1213 65 120 23 31000 12500 1.15
1214 1214 70 125 24 34500 13500 1.24
1215 1215 75 130 25 38800 15200 1.39
1216 1216 80 140 26 39500 16800 1.7
1217 1217 85 150 28 48800 20500 2.06
1218 1218 90 160 30 56500 23200 2.59
1219 1219 95 170 32 63500 27000 3.1
1220 1220 100 180 34 67400 28400 3.7
1224 1224 120 215 42 117000 51000 6.77

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