Deep Groove Ball Bearing with Filling Slots

Image may differ from product. See technical specification for details.

Standard

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

Material

GCr15、5200、100Cr6、SUJ2

Inner ring diameter

25mm-110mm

Outer ring diameter

62mm-180mm

Weight

0.24kg-5.4kg

Brand

QIBR/OEM/Neutral

Package

QIBR/Standard Industrial Package/OEM

Applications

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

Deep Groove Ball Bearing with Filling Slots

Filters

NO. Product Product Number Basic dynamic load rating Basic static load rating Inner diameter (d) Outer diameter (D) Reference speed Width (B)
1 305/ 305 22.9 KN 15.6 KN 25 mm 62 mm 20000 r/min 17 mm
2 305 305 NR 22.9 KN 15.6 KN 25 mm 62 mm 20000 r/min 17 mm
3 305 305 Z 22.9 KN 15.6 KN 25 mm 62 mm 20000 r/min 17 mm
4 305 305 ZNR 22.9 KN 15.6 KN 25 mm 62 mm 20000 r/min 17 mm
5 305 305 2Z 22.9 KN 15.6 KN 25 mm 62 mm 20000 r/min 17 mm
6 305 305 2ZNR 22.9 KN 15.6 KN 25 mm 62 mm 20000 r/min 17 mm
7 206/ 206 20.9 KN 16.3 KN 30 mm 62 mm 20000 r/min 16 mm
8 206 206 NR 20.9 KN 16.3 KN 30 mm 62 mm 20000 r/min 16 mm
9 206 206 Z 20.9 KN 16.3 KN 30 mm 62 mm 20000 r/min 16 mm
10 206 206 ZNR 20.9 KN 16.3 KN 30 mm 62 mm 20000 r/min 16 mm
11 206 206 2Z 20.9 KN 16.3 KN 30 mm 62 mm 20000 r/min 16 mm
12 206 206 2ZNR 20.9 KN 16.3 KN 30 mm 62 mm 20000 r/min 16 mm
13 306/ 306 29.7 KN 21.6 KN 30 mm 72 mm 18000 r/min 19 mm
14 306 306 NR 29.7 KN 21.6 KN 30 mm 72 mm 18000 r/min 19 mm
15 306 306 Z 29.7 KN 21.6 KN 30 mm 72 mm 18000 r/min 19 mm
16 306 306 ZNR 29.7 KN 21.6 KN 30 mm 72 mm 18000 r/min 19 mm
17 306 306 2Z 29.7 KN 21.6 KN 30 mm 72 mm 18000 r/min 19 mm
18 306 306 2ZNR 29.7 KN 21.6 KN 30 mm 72 mm 18000 r/min 19 mm
19 207/ 207 27.5 KN 22 KN 35 mm 72 mm 17000 r/min 17 mm
20 207 207 NR 27.5 KN 22 KN 35 mm 72 mm 17000 r/min 17 mm
21 207 207 Z 27.5 KN 22 KN 35 mm 72 mm 17000 r/min 17 mm
22 207 207 ZNR 27.5 KN 22 KN 35 mm 72 mm 17000 r/min 17 mm
23 207 207 2Z 27.5 KN 22 KN 35 mm 72 mm 17000 r/min 17 mm
24 207 207 2ZNR 27.5 KN 22 KN 35 mm 72 mm 17000 r/min 17 mm
25 307/ 307 34.7 KN 26.5 KN 35 mm 80 mm 16000 r/min 21 mm
26 307 307 NR 34.7 KN 26.5 KN 35 mm 80 mm 16000 r/min 21 mm
27 307 307 Z 34.7 KN 26.5 KN 35 mm 80 mm 16000 r/min 21 mm
28 307 307 ZNR 34.7 KN 26.5 KN 35 mm 80 mm 16000 r/min 21 mm
29 307 307 2Z 34.7 KN 26.5 KN 35 mm 80 mm 16000 r/min 21 mm
30 307 307 2ZNR 34.7 KN 26.5 KN 35 mm 80 mm 16000 r/min 21 mm
31 208/ 208 33.6 KN 27 KN 40 mm 80 mm 15000 r/min 18 mm
32 208 208 NR 33.6 KN 27 KN 40 mm 80 mm 15000 r/min 18 mm
33 208 208 Z 33.6 KN 27 KN 40 mm 80 mm 15000 r/min 18 mm
34 208 208 ZNR 33.6 KN 27 KN 40 mm 80 mm 15000 r/min 18 mm
35 208 208 2Z 33.6 KN 27 KN 40 mm 80 mm 15000 r/min 18 mm
36 208 208 2ZNR 33.6 KN 27 KN 40 mm 80 mm 15000 r/min 18 mm
37 308/ 308 45.7 KN 36 KN 40 mm 90 mm 14000 r/min 23 mm
38 308 308 NR 45.7 KN 36 KN 40 mm 90 mm 14000 r/min 23 mm
39 308 308 Z 45.7 KN 36 KN 40 mm 90 mm 14000 r/min 23 mm
40 308 308 ZNR 45.7 KN 36 KN 40 mm 90 mm 14000 r/min 23 mm
41 309 309 NR 55 KN 44 KN 45 mm 100 mm 13000 r/min 25 mm
42 308 308 2Z 45.7 KN 36 KN 40 mm 90 mm 14000 r/min 23 mm
43 309 309 Z 55 KN 44 KN 45 mm 100 mm 13000 r/min 25 mm
44 308 308 2ZNR 45.7 KN 36 KN 40 mm 90 mm 14000 r/min 23 mm
45 309 309 ZNR 55 KN 44 KN 45 mm 100 mm 13000 r/min 25 mm
46 209/ 209 35.2 KN 30 KN 45 mm 85 mm 14000 r/min 19 mm
47 309 309 2Z 55 KN 44 KN 45 mm 100 mm 13000 r/min 25 mm
48 209 209 NR 35.2 KN 30 KN 45 mm 85 mm 14000 r/min 19 mm
49 309 309 2ZNR 55 KN 44 KN 45 mm 100 mm 13000 r/min 25 mm
50 209 209 Z 35.2 KN 30 KN 45 mm 85 mm 14000 r/min 19 mm
51 210/ 210 39.1 KN 34.5 KN 50 mm 90mm 13000 r/min 20 mm
52 209 209 ZNR 35.2 KN 30 KN 45 mm 85 mm 14000 r/min 19 mm
53 210 210 NR 39.1 KN 34.5 KN 50 mm 90 mm 13000 r/min 20 mm
54 209 209 2Z 35.2 KN 30 KN 45 mm 85 mm 14000 r/min 19 mm
55 210 210 Z 39.1 KN 34.5 KN 50 mm 90 mm 13000 r/min 20 mm
56 209 209 2ZNR 35.2 KN 30 KN 45 mm 85 mm 14000 r/min 19 mm
57 210 210 ZNR 39.1 KN 34.5 KN 50 mm 90 mm 13000 r/min 20 mm
58 309/ 309 55 KN 44 KN 45 mm 100 mm 13000 r/min 25 mm
59 210 210 2Z 39.1 KN 34.5 KN 50 mm 90 mm 13000 r/min 20 mm
60 210 210 2ZNR 39.1 KN 34.5 KN 50 mm 90 mm 13000 r/min 20 mm
61 310/ 310 64.4 KN 52 KN 50 mm 110 mm 11000 r/min 27 mm
62 310 310 NR 64.4 KN 52 KN 50 mm 110 mm 11000 r/min 27 mm
63 310 310 Z 64.4 KN 52 KN 50 mm 110 mm 11000 r/min 27 mm
64 310 310 ZNR 64.4 KN 52 KN 50 mm 110 mm 11000 r/min 27 mm
65 310 310 2Z 64.4 KN 52 KN 50 mm 110 mm 11000 r/min 27 mm
66 310 310 2ZNR 64.4 KN 52 KN 50 mm 110 mm 11000 r/min 27 mm
67 211/ 211 48.4 KN 44 KN 55 mm 100 mm 12000 r/min 21 mm
68 211 211 NR 48.4 KN 44 KN 55 mm 100 mm 12000 r/min 21 mm
69 211 211 Z 48.4 KN 44 KN 55 mm 100 mm 12000 r/min 21 mm
70 211 211 ZNR 48.4 KN 44 KN 55 mm 100 mm 12000 r/min 21 mm
71 211 211 2Z 48.4 KN 44 KN 55 mm 100 mm 12000 r/min 21 mm
72 211 211 2ZNR 48.4 KN 44 KN 55 mm 100 mm 12000 r/min 21 mm
73 311/ 311 79.2 KN 67 KN 55 mm 120 mm 10000 r/min 29 mm
74 311 311 NR 79.2 KN 67 KN 55 mm 120 mm 10000 r/min 29 mm
75 311 311 Z 79.2 KN 67 KN 55 mm 120 mm 10000 r/min 29 mm
76 311 311 ZNR 79.2 KN 67 KN 55 mm 120 mm 10000 r/min 29 mm
77 311 311 2Z 79.2 KN 67 KN 55 mm 120 mm 10000 r/min 29 mm
78 311 311 2ZNR 79.2 KN 67 KN 55 mm 120 mm 10000 r/min 29 mm
79 212/ 212 56.1 KN 50 KN 60 mm 110 mm 11000 r/min 22 mm
80 212 212 NR 56.1 KN 50 KN 60 mm 110 mm 11000 r/min 22 mm
81 212 212 Z 56.1 KN 50 KN 60 mm 110 mm 11000 r/min 22 mm
82 212 212 ZNR 56.1 KN 50 KN 60 mm 110 mm 11000 r/min 22 mm
83 212 212 2Z 56.1 KN 50 KN 60 mm 110 mm 11000 r/min 22 mm
84 212 212 2ZNR 56.1 KN 50 KN 60 mm 110 mm 11000 r/min 22 mm
85 312/ 312 91.3 KN 78 KN 60 mm 130 mm 9500 r/min 31 mm
86 312 312 NR 91.3 KN 78 KN 60 mm 130 mm 9500 r/min 31 mm
87 312 312 Z 91.3 KN 78 KN 60 mm 130 mm 9500 r/min 31 mm
88 312 312 ZNR 91.3 KN 78 KN 60 mm 130 mm 9500 r/min 31 mm
89 312 312 2Z 91.3 KN 78 KN 60 mm 130 mm 9500 r/min 31 mm
90 312 312 2ZNR 91.3 KN 78 KN 60 mm 130 mm 9500 r/min 31 mm
91 213/ 213 60.5 KN 58.5 KN 65 mm 120 mm 10000 r/min 23 mm
92 213 213 NR 60.5 KN 58.5 KN 65 mm 120 mm 10000 r/min 23 mm
93 213 213 Z 60.5 KN 58.5 KN 65 mm 120 mm 10000 r/min 23 mm
94 213 213 ZNR 60.5 KN 58.5 KN 65 mm 120 mm 10000 r/min 23 mm
95 213 213 2Z 60.5 KN 58.5 KN 65 mm 120 mm 10000 r/min 23mm
96 213 213 2ZNR 60.5 KN 58.5 KN 65 mm 120 mm 10000 r/min 23 mm
97 313/ 313 102 KN 90 KN 65 mm 140 mm 9000 r/min 33 mm
98 313 313 NR 102 KN 90 KN 65 mm 140 mm 9000 r/min 33 mm
99 313 313 Z 102 KN 90 KN 65 mm 140 mm 9000 r/min 33 mm
100 313 313 ZNR 102 KN 90 KN 65 mm 140 mm 9000 r/min 33 mm

Features and advantages of QIBR deep groove ball bearings with filling slots

QIBR deep groove ball bearings with filling slots address critical challenges in various industrial applications, with the following key advantages:

1. Higher load capacity:

The primary feature of the filling slot design is the increased load-carrying capacity. By accommodating more rolling elements, the load is distributed over a larger contact area, enabling the bearing to handle higher loads effectively.

2. Enhanced durability

Optimized load distribution increases the durability of the bearing, allowing it to maintain high performance over an extended lifespan.

3. Versatility in demanding applications

This design is particularly well-suited for heavy-duty and prolonged operation, excelling in applications with high load requirements and complex working conditions.

Performance enhancements and solutions for QIBR deep groove ball bearings with filling slots

1. Increased rolling element contact area

The filling slot design ensures a more uniform distribution of rolling elements on the raceways, enhancing the contact area between the balls and the raceways. This effectively allows the bearing to handle greater radial and axial loads compared to standard deep groove ball bearings.

2. Raceway optimization

Enhancing the geometry and precision of the raceways, as well as improving surface smoothness, reduces friction and energy loss, thereby improving operational efficiency.

3. High-quality rolling elements

Improving the surface finish and hardness of the rolling elements reduces friction and wear. Utilizing high-precision rolling elements, such as ceramic balls, significantly enhances the bearing's performance in demanding conditions.

4. Corrosion-resistant design

For challenging environments such as marine or chemical industries, materials like stainless steel, corrosion-resistant coatings, or advanced surface treatments can be used to improve the bearing’s resistance to corrosion.

Primary application fields for QIBR deep groove ball bearings with filling slots

1. Engines

Widely used in automotive engines, particularly high-performance engines. These bearings can withstand significant radial and axial loads, offering superior lubrication and wear resistance to ensure stable operation under high temperatures and heavy loads.

2. Transmission systems

In automotive systems such as transmissions, differentials, and drive shafts, these bearings provide high load capacity and durability, meeting the demands of high-speed and high-load operations.

3. Aerospace engines

These bearings are utilized in aerospace engines and critical components, offering exceptional load-bearing capability and reliable performance under extreme temperatures and high-speed conditions.

4. Heavy machinery

Commonly used in cranes, excavators, hydraulic equipment, and other heavy machinery that operate under heavy loads and challenging conditions. These bearings enhance load-carrying capacity and extend equipment lifespan.

5. Washing Machines

Applied in motor-driven systems of washing machines, these bearings effectively handle heavy loads and high-speed operations while minimizing noise.

6. Power tools

In power tools, these bearings are capable of handling significant axial and radial loads. They are especially effective in high-speed, vibration-intensive environments, maintaining low friction and providing longer service life with improved operational efficiency.