Double Row Deep Groove Ball Bearing

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Standard

GB,ASTM/AISI,ГОСТ,BS,JIS,NF,DIN / VDEh

Material

52100、100Cr6、SUJ2、Stainless Steel

Inner ring diameter

10mm-90mm

Outer ring diameter

30mm-160mm

Weight

0.049kg-302kg

Brand

QIBR/OEM/Neutral

Package

QIBR/Standard Industrial Package/OEM

Applications

Machine tool spindle, centrifuge, booster pump, oil pump, blower, various gearboxes, laboratory equipment

Double Row Deep Groove Ball Bearing

Filters

NO. Product Product Number Basic dynamic load rating Basic static load rating Inner diameter (d) Mass Outer diameter (D) Width (B)
1 4200 4200 ATN9 9.23 KN 5.2 KN 10 mm 0.049 kg 30 mm 14 mm
2 4201 4201 ATN9 10.6 KN 6.2 KN 12 mm 0.052 kg 32 mm 14 mm
3 4301 4301 ATN9 13 KN 7.8 KN 12 mm 0.092 kg 37 mm 17 mm
4 4202 4202 ATN9 11.9 K 7.5 KN 15 mm 0.059 kg 35 mm 14 mm
5 4302 4302 ATN9 14.8 KN 9.5 KN 15 mm 0.12 kg 42 mm 17 mm
6 4203 4203 ATN9 14.8 KN 9.5 KN 17 mm 0.09 kg 40 mm 16 mm
7 4303 4303 ATN9 19.5 KN 13.2 KN 17 mm 0.16 kg 47 mm 19 mm
8 4204 4204 ATN9 17.8 KN 12.5 KN 20 mm 0.14 kg 47 mm 18 mm
9 4304 4304 ATN9 23.4 KN 16 KN 20 mm 0.21 kg 52 mm 21 mm
10 4205 4205 ATN9 19 KN 14.6 KN 25 mm 0.17 kg 52 mm 18 mm
11 4305 4305 ATN9 31.9 KN 22.4 KN 25 mm 0.34 kg 62 mm 24 mm
12 4206 4206 ATN9 26 KN 20.8 KN 30 mm 0.29 kg 62 mm 20 mm
13 4306 4306 ATN9 41 KN 30 KN 30 mm 0.5 kg 72 mm 27 mm
14 4207 4207 ATN9 35.1 KN 28.5 KN 35 mm 0.4 kg 72 mm 23 mm
15 4307 4307 ATN9 50.7 KN 38 KN 35 mm 0.68 kg 80 mm 31 mm
16 4208 4208 ATN9 37.1 KN 32.5 KN 40 mm 0.5 kg 80 mm 23 mm
17 4308 4308 ATN9 55.9 KN 45 KN 40 mm 0.95 kg 90 mm 33 mm
18 4209 4209 ATN9 29 KN 36 KN 45 mm 0.54 kg 85 mm 23 mm
19 4309 4309 ATN9 68.9 KN 56 KN 45 mm 1.25 kg 100 mm 36 mm
20 4210 4210 ATN9 41 KN 40 KN 50 mm 0.58 kg 90 mm 23 mm
21 4310 4310 ATN9 81.9 KN 69.5 KN 50 mm 1.7 kg 110 mm 40 mm
22 4211 4211 ATN9 44.9 KN 44 KN 55 mm 0.8 kg 100 mm 25 mm
23 4311 4311 ATN9 97.5 KN 83 KN 55 mm 2.15 kg 120 mm 43 mm
24 4212 4212 ATN9 57.2 KN 55 KN 60 mm 1.1 kg 110 mm 28 mm
25 4312 4312 ATN9 112 KN 98 KN 60 mm 2.65 kg 130 mm 46 mm
26 4213 4213 ATN9 67.6 KN 67 KN 65 mm 1.45 kg 120 mm 31 mm
27 4313 4313 ATN9 121 KN 106 KN 65 mm 3.25 kg 140 mm 48 mm
28 4214 4214 ATN9 70.2 KN 73.5 KN 70 mm 1.5 kg 125 mm 31 mm
29 4215 4215 ATN9 72.8 KN 80 KN 75 mm 1.6 kg 130 mm 31 mm
30 4315 4315 ATN9 156 KN 143 KN 75 mm 4.8 kg 160 mm 55 mm
31 4216 4216 ATN9 80.6 KN 90 KN 80 mm 2 kg 140 mm 33 mm
32 4217 4217 ATN9 93.6 KN 102 KN 85 mm 2.55 kg 150 mm 36 mm
33 4218 4218 ATN9 112 KN 122 KN 90 mm 3.2 kg 160 mm 40 mm

Features and advantages of QIBR double row deep groove ball bearings

QIBR double row deep groove ball bearings are engineered to address critical operational demands in various industrial fields, offering the following key advantages:

1. Enhanced radial load capacity

QIBR double row deep groove ball bearings can support higher radial loads compared to single row bearings. This increased capacity makes them suitable for applications requiring greater durability.

2. High axial load capacity

With two rows of rolling elements, these bearings can also handle significant axial loads. This makes them ideal for working environments where large axial forces are present.

3. Long service life

QIBR double row deep groove ball bearings have a low coefficient of friction, resulting in reduced energy loss and wear. This allows them to maintain stable performance over extended periods.

4. Compact and efficient design

Although similar in size to single row deep groove ball bearings, the double row design provides greater load-carrying capacity. By incorporating two rows of rolling elements within the same outer diameter, the bearings achieve improved durability and performance. This compact structure makes them suitable for applications where space is limited but high load capacity is required.

 Performance enhancements for QIBR double row deep groove ball bearings

1. Lubrication optimization

Advanced lubricants, such as synthetic or nano-lubricants, can reduce wear and friction, enhancing overall efficiency and durability. Proper application techniques further ensure optimal performance.

2. Raceway optimization

Precision machining of the raceway geometry, along with improved surface finish, minimizes frictional losses and enhances operational efficiency.

3. Enhanced rolling elements

Utilizing high-precision rolling elements, such as ceramic balls, improves surface hardness and reduces wear, resulting in superior performance under demanding conditions.

4. Corrosion resistance

For applications in aggressive environments, materials such as stainless steel, corrosion-resistant coatings, or surface treatment technologies can significantly improve durability.

 Primary application fields of QIBR double row deep groove ball bearings

1. Electric motors

These bearings are widely used in electric motors, particularly in industrial motors that must withstand heavy loads. Their durability and efficiency make them essential for rotor and stator components.

2. Automotive industry

In the automotive sector, QIBR double row deep groove ball bearings handle substantial radial and axial loads. They play vital roles in components such as wheel bearings, drive shafts, and clutches. Their load capacity and wear resistance ensure stable performance in high-stress automotive environments.

3. Agricultural machinery

Agricultural equipment often operates under heavy and complex loads, especially in harsh conditions. QIBR double row deep groove ball bearings, with their high load capacity and durability, are frequently used in such machinery.

4. Factory equipment

These bearings are key components in automated production lines, conveyor systems, and packaging machinery. Their high load capacity and wear resistance make them ideal for high-efficiency, continuous-operation environments.