OEM Super Precision Ball Bearings High Speed Deep Groove Ball
Bearings (DGBBs)
Ball Bearings Overview
Ball Bearing is an important component in contemporary mechanical equipment. Its
main function is to support the mechanical rotating body, reduce
the friction coefficient during its movement, and ensure its
rotation accuracy.
Ball Bearings Classification
1. According to different contact angles:Rolling bearings are
mainly divided into radial bearings and thrust bearings
2. According to the structure of rolling elements and rings:Rolling
bearings can be divided into deep groove ball bearings,
self-aligning ball bearings, angular contact ball bearings, thrust
ball bearings, and cylindrical roller bearings, needle roller
bearings, spherical roller bearings, tapered roller bearings,
thrust spherical roller bearings, thrust tapered roller bearings,
etc.
3. According to the number of rows of rolling elements:Rolling
bearings can be divided into single row, double row and multi-row
(three rows and four rows)
Deep Groove Ball Bearings Specification
| 轴 承 型 号 | 主 要 尺 寸 | 重 量 | 额 定 负 荷 | 极 限 转 速 | 安 装 相 关 尺 寸 |
| Bearing Designations | Main Sizes (mm) | Weight
(kg) | Rated Loads (kN) | Limit (r/min) | Abutment and fillet dimensions (mm) |
现 代 号 Designations | 原 代 号 Old spec | d | D | B | rsmin | 动负荷 Dynamic Cr | 静负荷 Static Cor | 脂 Grease | 油 Oil | damin | Damax | ramax |
| 61818 | 1000818 | 90 | 115 | 13 | 1 | 0.3 | 19.5 | 22 | 4500 | 5600 | 94.6 | 110 | 1 |
| 61918 | 1000918 | 90 | 125 | 18 | 1.1 | 0.58 | 33 | 31.5 | 5000 | 6000 | 96.5 | 118.5 | 1 |
| 6018 | 118K | 90 | 140 | 24 | 1.5 | 1.16 | 58.5 | 50 | 4800 | 5600 | 98 | 132 | 1.5 |
| 16018M | 7000118H | 90 | 140 | 16 | 1 | 0.941 | 58.5 | 50 | 4800 | 5600 | 95 | 135 | 1 |
| 6218N | 50218 | 90 | 160 | 30 | 2 | 2.15 | 95.5 | 72 | 3800 | 4500 | 99 | 151 | 2 |
| 6318 | 318K | 90 | 190 | 43 | 3 | 4.97 | 144 | 108 | 3400 | 4000 | 103 | 177 | 2.5 |
| 6418 | 418K | 90 | 225 | 54 | 4 | 9.47 | 193 | 158 | 3000 | 3600 | 106 | 209 | 3 |
| 61919M | 1000919H | 95 | 130 | 18 | 1.1 | 0.67 | 33.8 | 33 | 4800 | 5600 | 101 | 124 | 1 |
| 6219 | 219K | 95 | 170 | 32 | 2.1 | 2.65 | 108 | 81.5 | 3600 | 4300 | 106 | 159 | 2 |
| 6319 | 319K | 95 | 200 | 45 | 3 | 5.65 | 152 | 122 | 3200 | 3800 | 108 | 187 | 2.5 |
| 16020 | 7000120 | 100 | 150 | 16 | 1 | 1.12 | 43.6 | 44 | 4300 | 5000 | 108 | 142 | 1 |
| 6020 | 120K | 100 | 150 | 24 | 1.5 | 1.18 | 57.5 | 56.5 | 4300 | 5000 | 108 | 142 | 1.5 |
| 6220 | 220K | 100 | 180 | 34 | 2.1 | 3.19 | 122 | 93 | 3400 | 4000 | 111 | 169 | 2 |
| 6320 | 320K | 100 | 215 | 47 | 3 | 7.01 | 173 | 141 | 2800 | 3600 | 113 | 202 | 2.5 |
| 6420 | 420K | 100 | 250 | 58 | 4 | 12.8 | 224 | 195 | 2600 | 3400 | 116 | 234 | 3 |
| 720 | | 100 | 180 | 28 | 1.8 | 2.7 | 116 | 92 | 3400 | 4000 | 111.5 | 171.5 | 1.8 |
| 61820-2RS | | 100 | 125 | 13 | 1 | 0.346 | 19.5 | 21 | 4800 | 5600 | 105 | 120 | 1 |
| 61920M | 1000920H | 100 | 140 | 20 | 1.1 | 1.05 | 34.5 | 35 | 4500 | 5300 | 106.5 | 133.5 | 1 |
| 61920 | 1000920K | 100 | 140 | 20 | 1.1 | 0.96 | 34.5 | 35 | 4500 | 5300 | 106.5 | 133.5 | 1 |
| 16021M | 7000121H | 105 | 160 | 18 | 1 | 1.2 | 43.5 | 44.2 | 3600 | 4500 | 111 | 154 | 1 |
Deep Groove Ball Bearings Application
1. Industrial Machinery: Deep groove ball bearings are extensively
used in industrial machinery for various applications, including
motors, pumps, compressors, and gearboxes.
2. Automotive Sector: These bearings find application in automotive
components such as wheels, transmissions, engines, and
steering systems, ensuring smooth and reliable operation.
3. Aerospace Industry: In the aerospace sector, deep groove ball
bearings are employed in critical components like aircraft engines,
landing gear systems, and control mechanisms due to their
high-performance capabilities.
4. Construction Equipment: Deep groove ball bearings are utilized
in construction equipment like cranes, excavators, and
bulldozers, providing stability and durability in harsh working
environments.
