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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

NO. | Product | Product Number | Basic dynamic load rating | Basic static load rating | Inner diameter (d) | Outer diameter (D) | Reference speed | Width (B) |
---|---|---|---|---|---|---|---|---|
101 |
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313 2Z | 102 KN | 90 KN | 65 mm | 140 mm | 9000 r/min | 33 mm |
102 |
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313 2ZNR | 102 KN | 90 KN | 65 mm | 140 mm | 9000 r/min | 33 mm |
103 |
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214 | 66 KN | 65.5 KN | 70 mm | 125 mm | 9500 r/min | 24 mm |
104 |
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214 NR | 66 KN | 65.5 KN | 70 mm | 125 mm | 9500 r/min | 24 mm |
105 |
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214 Z | 66 KN | 65.5 KN | 70 mm | 125 mm | 9500 r/min | 24 mm |
106 |
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214 ZNR | 66 KN | 65.5 KN | 70 mm | 125 mm | 9500 r/min | 24 mm |
107 |
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214 2Z | 66 KN | 65.5 KN | 70 mm | 125 mm | 9500 r/min | 24 mm |
108 |
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214 2ZNR | 66 KN | 65.5 KN | 70 mm | 125 mm | 9500 r/min | 24 mm |
109 |
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314 | 114 KN | 102 KN | 70 mm | 150 mm | 8000 r/min | 35 mm |
110 |
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314 NR | 114 KN | 102 KN | 70 mm | 150 mm | 8000 r/min | 35 mm |
111 |
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314 Z | 114 KN | 102 KN | 70 mm | 150 mm | 8000 r/min | 35 mm |
112 |
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314 ZNR | 114 KN | 102 KN | 70 mm | 150 mm | 8000 r/min | 35 mm |
113 |
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215 | 72.1 KN | 72 KN | 75 mm | 130 mm | 9000 r/min | 25 mm |
114 |
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215 NR | 72.1 KN | 72 KN | 75 mm | 130 mm | 9000 r/min | 25 mm |
115 |
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215 Z | 72.1 KN | 72 KN | 75 mm | 130 mm | 9000 r/min | 25 mm |
116 |
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215 ZNR | 72.1 KN | 72 KN | 75 mm | 130 mm | 9000 r/min | 25 mm |
117 |
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215 2Z | 72.1 KN | 72 KN | 75 mm | 130 mm | 9000 r/min | 25 mm |
118 |
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215 2ZNR | 72.1 KN | 72 KN | 75 mm | 130 mm | 9000 r/min | 25 mm |
119 |
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315 | 125 KN | 116 KN | 75 mm | 160 mm | 7500 r/min | 37 mm |
120 |
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315 Z | 125 KN | 116 KN | 75 mm | 160 mm | 7500 r/min | 37 mm |
121 |
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315 2Z | 125 KN | 116 KN | 75 mm | 160 mm | 7500 r/min | 37 mm |
122 |
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216 | 88 KN | 85 KN | 80 mm | 140 mm | 8500 r/min | 26 mm |
123 |
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216 NR | 88 KN | 85 KN | 80 mm | 140 mm | 8500 r/min | 26 mm |
124 |
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216 Z | 88 KN | 85 KN | 80 mm | 140 mm | 8500 r/min | 26 mm |
125 |
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216 ZNR | 88 KN | 85 KN | 80 mm | 140 mm | 8500 r/min | 26 mm |
126 |
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216 2Z | 88 KN | 85 KN | 80 mm | 140 mm | 8500 r/min | 26 mm |
127 |
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216 2ZNR | 88 KN | 85 KN | 80 mm | 140 mm | 8500 r/min | 26 mm |
128 |
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217 | 96.8 KN | 100 KN | 85 mm | 150 mm | 7500 r/min | 28 mm |
129 |
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217 NR | 96.8 KN | 100 KN | 85 mm | 150 mm | 7500 r/min | 28 mm |
130 |
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217 Z | 96.8 KN | 100 KN | 85 mm | 150 mm | 7500 r/min | 28 mm |
131 |
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217 2Z | 96.8 KN | 100 KN | 85 mm | 150 mm | 7500 r/min | 28 mm |
132 |
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317 | 147 KN | 146 KN | 85 mm | 180 mm | 6700 r/min | 41 mm |
133 |
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317 Z | 147 KN | 146 KN | 85 mm | 180 mm | 6700 r/min | 41 mm |
134 |
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317 2Z | 147 KN | 146 KN | 85 mm | 180 mm | 6700 r/min | 41 mm |
135 |
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218 | 112 KN | 114 KN | 90 mm | 160 mm | 7000 r/min | 30 mm |
136 |
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218 NR | 112 KN | 114 KN | 90 mm | 160 mm | 7000 r/min | 30 mm |
137 |
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218 Z | 112 KN | 114 KN | 90 mm | 160 mm | 7000 r/min | 30 mm |
138 |
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218 2Z | 112 KN | 114 KN | 90 mm | 160 mm | 7000 r/min | 30 mm |
139 |
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318 | 157 KN | 160 KN | 90 mm | 190 mm | 6300 r/min | 43 mm |
140 |
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318 Z | 157 KN | 160 KN | 90 mm | 190 mm | 6300 r/min | 43 mm |
141 |
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318 2Z | 157 KN | 160 KN | 90 mm | 190 mm | 6300 r/min | 43 mm |
142 |
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219 | 121 KN | 122 KN | 95 mm | 170 mm | 6700 r/min | 32 mm |
143 |
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219 NR | 121 KN | 122 KN | 95 mm | 170 mm | 6700 r/min | 32 mm |
144 |
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219 Z | 121 KN | 122 KN | 95 mm | 170 mm | 6700 r/min | 32 mm |
145 |
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219 2Z | 121 KN | 122 KN | 95 mm | 170 mm | 6700 r/min | 32 mm |
146 |
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220 | 134 KN | 140 KN | 100 mm | 180 mm | 6300 r/min | 34 mm |
147 |
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220 Z | 134 KN | 140 KN | 100 mm | 180 mm | 6300 r/min | 34 mm |
148 |
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220 2Z | 134 KN | 140 KN | 100 mm | 180 mm | 6300 r/min | 34 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.