Ujk Flange Mount Bearings F685zz 5X13X4mm - Miniature for Robotics & Drone Motors Miniature Precision Bearings
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| Customization: | Available |
|---|---|
| Vibration: | Zv1 Zv2 Zv3 |
| Hardness: | HRC60--62 |
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Basic Info.
Product Description
UJK Flanged Deep Groove Ball Bearings - Product Introduction
UJK Flanged Deep Groove Ball Bearings are specially designed with a flange on the outer ring to simplify axial positioning and installation in housings or thin-wall structures. As a variant of standard deep groove ball bearings, these flanged types retain all the advantages of high-speed performance, low friction, and simple structure, while offering enhanced mounting reliability.
Engineered with premium materials and precision manufacturing, UJK flanged bearings ensure smooth rotation, minimal noise, and extended service life under various load and speed conditions.
Key Features
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Integrated flange for easy and secure axial positioning
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High precision raceways and steel balls for smooth, quiet operation
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Available in open, shielded (ZZ), or sealed (2RS) configurations
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Compact design ideal for limited space assemblies
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Interchangeable with standard international models (R-series, F600 series)
Common UJK Flanged Bearing Series
| Series | Description | Typical Sizes (mm) |
|---|---|---|
| F600 Series | Metric size, single flange | F684, F685, F686, F688, F6900 |
| FR Series | Inch size, flanged R-series | FR1, FR2, FR3, FR4, FR6 |
| MF Series | Miniature flanged deep groove ball bearings | MF52ZZ, MF63ZZ, MF74ZZ |
Sample Sizes
| Model | d (ID) | D (OD) | B (Width) | Flange Diameter (Df) | Shield Type |
|---|---|---|---|---|---|
| F684ZZ | 4 mm | 9 mm | 4 mm | 10.4 mm | Double shield |
| F688ZZ | 8 mm | 16 mm | 5 mm | 18 mm | Double shield |
| FR3ZZ | 3/16" | 1/2" | 0.196" | ~0.6" | Double shield |
| MF106ZZ | 6 mm | 10 mm | 3 mm | 11.5 mm | Double shield |
All UJK flanged bearings are available in open (no shield), ZZ (metal shield), or 2RS (rubber seal) variants depending on dust protection needs.
Typical Applications
UJK flanged ball bearings are widely used in:
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Miniature gearboxes and servo motors
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3D printers and robotics
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RC models and hobby equipment
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Medical and optical devices
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Electric motors and fans
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Linear motion systems
Model |
d | D | D1 | b | c | Cr(N) | Cor(N) | |||||
| open | zz | open | zz | open | zz | Oil | Grease | |||||
| *1000rpm | ||||||||||||
| F682zz | 2 |
5 | 6.1 | 1.5 | 2.3 | 0.5 | 0.6 | 169 | 50 | 85 | 100 | |
| MF52zz | 5 | 6.2 | 2 | 2.5 | 0.6 | 0.6 | 169 | 50 | 85 | 100 | ||
| F692zz | 6 | 7.5 | 2.3 | 3 | 0.6 | 0.8 | 330 | 99 | 75 | 90 | ||
| MF62zz | 6 | 7.2 | 2.5 | 2.5 | 0.6 | - | 330 | 99 | 75 | 90 | ||
| MF72zz | 7 | 8.2 | 2.8 | 3 | 0.6 | 0.6 | 386 | 129 | 63 | 75 | ||
| F602zz | 7 | 8.5 | 2.8 | 3.5 | 0.7 | 0.9 | 386 | 129 | 60 | 71 | ||
| F682Xzz | 2.5 |
6 | 7.1 | 1.8 | 2.6 | 0.5 | 0.8 | 209 | 74 | 71 | 80 | |
| F692Xzz | 7 | 8.5 | 2.5 | 3.5 | 0.7 | 0.9 | 386 | 129 | 63 | 75 | ||
| MF82X | 8 | 9.2 | 2.5 | - | 0.6 | - | 558 | 180 | 60 | 67 | ||
| F602Xzz | 8 | 9.5 | 2.8 | 4 | 0.7 | 0.9 | 552 | 177 | 60 | 71 | ||
| MF63zz | 3 |
6 | 7.2 | 2 | 2.5 | 0.6 | 0.6 | 209 | 74 | 71 | 80 | |
| F683zz | 7 | 8.1 | 2 | 3 | 0.5 | 0.8 | 311 | 112 | 63 | 75 | ||
| MF83zz | 8 | 9.2 | 2.5 | 3 | 0.6 | - | 395 | 141 | 60 | 67 | ||
| F693zz | 8 | 9.5 | 3 | 4 | 0.7 | 0.9 | 558 | 180 | 60 | 67 | ||
| MF93zz | 9 | 10.2 | 10.6 | 2.5 | 4 | 0.6 | 0.8 | 571 | 189 | 56 | 67 | |
| F603zz | 9 | 10.5 | 3 | 5 | 0.7 | - | 571 | 189 | 56 | 67 | ||
| F623zz | 10 | 11.5 | 4 | 4 | 1 | 1 | 631 | 219 | 50 | 60 | ||
| MF74zz | 4 |
7 | 8.2 | 2 | 2.5 | 0.6 | 0.6 | 255 | 108 | 60 | 67 | |
| MF84zz | 8 | 9.2 | 2 | 3 | 0.6 | 0.6 | 395 | 141 | 56 | 67 | ||
| F684zz | 9 | 10.3 | 2.5 | 4 | 0.6 | 1 | 641 | 227 | 53 | 63 | ||
| MF104zz | 10 | 11.2 | 11.6 | 3 | 4 | 0.6 | 0.8 | 711 | 272 | 48 | 56 | |
| F694zz | 11 | 12.5 | 4 | 4 | 1 | 1 | 957 | 350 | 48 | 56 | ||
| F604zz | 12 | 13.5 | 4 | 4 | 1 | 1 | 957 | 350 | 48 | 56 | ||
| F624zz | 13 | 15 | 5 | 5 | 1 | 1 | 1301 | 488 | 40 | 48 | ||
| F634zz | 16 | 18 | 5 | 5 | 1 | 1 | 1340 | 523 | 36 | 43 | ||
| MF85zz | 5 |
8 | 9.2 | 2 | 2.5 | 0.6 | 0.6 | 218 | 90 | 53 | 63 | |
| MF95zz | 9 | 10.2 | 2.5 | 3 | 0.6 | 0.6 | 431 | 169 | 50 | 60 | ||
| MF105zz | 10 | 11.2 | 11.6 | 3 | 4 | 0.6 | 0.8 | 431 | 169 | 50 | 60 | |
| MF115zz | 11 | 12.5 | - | 4 | 0.8 | 1 | 716 | 282 | 45 | 53 | ||
| F685zz | 11 | 12.5 | 3 | 5 | 0.8 | 1 | 716 | 282 | 45 | 53 | ||
| F695zz | 13 | 15 | 4 | 4 | 1 | 1 | 1077 | 432 | 43 | 50 | ||
| F605zz | 14 | 16 | 5 | 5 | 1 | 1 | 1329 | 507 | 40 | 50 | ||
| F625zz | 16 | 18 | 5 | 5 | 1 | 1 | 1729 | 675 | 36 | 43 | ||
| F635zz | 19 | 22 | 6 | 6 | 1.5 | 1.5 | 2336 | 896 | 32 | 40 | ||
| MF106zz | 6 |
10 | 11.2 | 2.5 | 3 | 0.6 | 0.6 | 496 | 218 | 45 | 53 | |
| MF126zz | 12 | 13.2 | 13.6 | 3 | 4 | 0.6 | 0.8 | 716 | 295 | 43 | 50 | |
| F686zz | 13 | 15 | 3.5 | 5 | 1 | 1.1 | 1082 | 442 | 40 | 50 | ||
| F696zz | 15 | 17 | 5 | 5 | 1.2 | 1.2 | 1340 | 523 | 40 | 45 | ||
| F606zz | 17 | 19 | 6 | 6 | 1.2 | 1.2 | 2263 | 846 | 38 | 45 | ||
| F626zz | 19 | 22 | 6 | 6 | 1.5 | 1.5 | 2336 | 896 | 32 | 40 | ||
| MF117zz | 7 |
11 | 12.2 | 2.5 | 3 | 0.6 | 0.6 | 455 | 202 | 43 | 50 | |
| MF137zz | 13 | 14.2 | 14.6 | 3 | 4 | 0.6 | 0.8 | 541 | 276 | 40 | 48 | |
| F687zz | 14 | 16 | 3.5 | 5 | 1 | 1.1 | 1173 | 513 | 40 | 50 | ||
| F697zz | 17 | 19 | 5 | 5 | 1.2 | 1.2 | 1605 | 719 | 36 | 43 | ||
| F607zz | 19 | 22 | 6 | 6 | 1.5 | 1.5 | 2336 | 896 | 36 | 43 | ||
| F627zz | 22 | 25 | 7 | 7 | 1.5 | 1.5 | 3287 | 1379 | 30 | 36 | ||
| MF128zz | 8 |
12 | 13.2 | 13.6 | 2.5 | 3.5 | 0.6 | 0.8 | 543 | 274 | 40 | 48 |
| MF148zz | 14 | 15.6 | 3.5 | 4 | 0.8 | 0.8 | 817 | 386 | 38 | 45 | ||
| F688zz | 16 | 18 | 4 | 5 | 1 | 1.1 | 1252 | 592 | 36 | 43 | ||
| F698zz | 19 | 22 | 6 | 6 | 1.5 | 1.5 | 2237 | 917 | 36 | 43 | ||
| F608zz | 22 | 25 | 7 | 7 | 1.5 | 1.5 | 3293 | 1379 | 34 | 40 | ||
| F689zz | 9 | 17 | 19 | 4 | 5 | 1 | 1.1 | 1327 | 668 | 36 | 43 | |
| F699zz | 20 | 23 | 6 | 6 | 1.5 | 1.5 | 2467 | 1081 | 34 | 40 | ||
| F6700zz | 10 |
15 | 16.5 | 16.5 | 3 | 4 | 0.8 | 0.8 | 850 | 430 | 14 | 16 |
| F6800zz | 19 | 21 | 5 | 5 | 1 | 1 | 1700 | 800 | 35 | 42 | ||
| F6900zz | 22 | 25 | 6 | 6 | 1.5 | 1.5 | 2611 | 1223 | 31 | 40 | ||
| F6701zz | 12 |
18 | 19.5 | 19.5 | 4 | 4 | 0.8 | 0.8 | 922 | 512 | 12 | 14 |
| F6801zz | 21 | 23 | 5 | 5 | 0.8 | 1 | 1911 | 1041 | 33 | 39 | ||
| F6901zz | 24 | 26.5 | 6 | 6 | 1 | 1.5 | 2831 | 1411 | 31 | 36 | ||
Model |
d | D | D1 |
b | c | Cr(N) | Cor(N) | UJK | |||
| open | zz | open | zz | ||||||||
| *1000rpm | |||||||||||
| FR1-4zzs | 1.984 | 6.35 | 7.518 | 2.38 | 3.571 | 0.584 | 0.787 | 284 | 96 | 67 | 80 |
| FR133zz | 2.38 | 4.762 | 5.944 | 1.588 | 2.38 | 0.457 | 0.787 | 144 | 53 | 80 | 95 |
| FR1-5zzs | 3.175 |
7.938 | 9.119 | 2.779 | 3.571 | 0.584 | 0.787 | 552 | 176 | 60 | 71 |
| FR144zzs | 6.35 | 7.518 | 2.38 | 2.779 | 0.584 | 0.787 | 284 | 96 | 67 | 80 | |
| FR2-5zz | 7.938 | 9.119 | 2.779 | 3.571 | 0.584 | 0.787 | 558 | 180 | 60 | 67 | |
| FR2-6zzs | 9.525 | 10.719 | 2.779 | 3.571 | 0.584 | 0.787 | 640 | 227 | 53 | 63 | |
| FR2zz | 9.525 | 11.176 | 3.967 | 3.967 | 0.762 | 0.762 | 631 | 219 | 56 | 67 | |
| FE155zzs | 3.967 | 7.938 | 9.119 | 2.779 | 3.175 | 0.584 | 0.914 | 359 | 150 | 53 | 63 |
| FR156zzs | 4.762 | 7.938 | 9.119 | 2.779 | 3.175 | 0.584 | 0.914 | 359 | 150 | 53 | 63 |
| FR166zz | 9.525 | 10.719 | 3.175 | 3.175 | 0.584 | 0.787 | 709 | 272 | 50 | 60 | |
| FR3zz | 6.35 | 12.7 | 14.351 | 4.978 | 4.978 | 1.067 | 1.067 | 1301 | 488 | 43 | 53 |
| FR168zzs | 9.525 | 10.719 | 3.175 | 3.175 | 0.584 | 0.914 | 373 | 172 | 48 | 56 | |
| FR188zz | 12.7 | 13.894 | 3.175 | 4.762 | 0.584 | 1.143 | 1082 | 442 | 40 | 50 | |
| FR4zz | 15.875 | 17.526 | 4.978 | 4.978 | 1.067 | 1.067 | 1480 | 621 | 38 | 45 | |
| FR1810zzs | 7.938 | 12.7 | 13.894 | 3.967 | 3.967 | 0.787 | 0.787 | 542 | 276 | 40 | 48 |
| FR6zz | 9.525 | 22.225 | 24.613 | 5.558 | 7.142 | 1.57 | 1.57 | 3332 | 1422 | 32 | 38 |
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