Product Description

Technical Data

Inside Ø (mm): 15
Outside Ø (mm): 47
Width (mm): 17
Tolerance for inside-Ø (mm): 0,015/0
Tolerance for outside-Ø (mm): 0/-0,011
Tolerance for width (mm): 0/-0,12
Bi (mm): 31
Rows Of Balls: single row
Shaft Fastening: Grub Screws
Grub Screw: M6
Extended Inner Ring: both sides
Ring Material: Stainless Steel
Rolling Element Material: Stainless Steel
Cage Material: Stainless Steel
Magnetic: yes
Product weight: 0,1900 Kg



Typ Shaft-Ø Dimensions in mm Weight
in mm D Bi Be n m G ds (kg)
SSUC201 12 47 31 17 12,7 18,3 4,8 M6X1.0 0,21
SSUC202 15 47 31 17 12,7 18,3 4,8 M6X1.0 0,19
SSUC203 17 47 31 17 12,7 18,3 4,8 M6X1.0 0,18
SSUC204 20 47 31 17 12,7 18,3 4,8 M6X1.0 0,16
SSUC205 25 52 34 17 14,3 19,7 5,5 M6X1.0 0,2
SSUC206 30 62 38 19 15,9 22,2 6 M6X1.0 0,32
SSUC207 35 72 42 20 17,5 25,4 6,5 M8X1.0 0,46
SSUC208 40 80 49 21 19 30,2 8 M8X1.0 0,62
SSUC209 45 85 49 22 19 30,2 8 M8X1.0 0,68
SSUC210 50 90 51,6 24 19 32,6 9 M10X1.25 0,8
SSUC211 55 100 55,6 25 22,2 33,4 9 M10X1.25 1,11
SSUC212 60 110 65,1 27 25,4 39,7 10,5 M10X1.25 1,54
SSUC213 65 120 65,1 28 25,4 39,7 12 M12X1.5 1,86
SSUC214 70 125 74,6 30 30,2 44,4 12 M12X1.5 2,05
SSUC215 75 130 77,8 32 33,3 44,5 12 M12X1.5 2,21
SSUC216 80 140 82,6 33 33,3 49,3 14 M12X1.5 2,79
SSUC217 85 150 85,7 35 34,1 51,6 14 M12X1.5 3,45
SSUC218 90 160 96 37 39,7 56,3 14 M12X1.5 4,35


The stainless steel bearing insert SS-UC202 can be easily attached to the shaft with the grub screws or inserted in a housing. It is suitable for radial loads and is resistant to corrosion.


  • with extended inner ring and grub screws for fixing the inner ring on a shaft
  • suitable for mounting in a housing bearing
  • suitable for high loads
  • all components are made of stainless steel: the radial insert ball bearing is therefore corrosion resistant and hygienic
  • smooth running and good behavior with tilting due to the extended inner ring
  • the spherical outer surface of the outer ring can compensate misalignment if it is installed in a corresponding housing
  • two-piece sealing system: with washer made of stainless steel reinforced rubber seal inside; outside additionally with upstream slinger made of stainless steel for high mechanical protection against foreign matter
  • lubricated for life; under normal operating conditions relubrication is not required
  • comparable with: GYE40 (FAG), 56208, YAR208 (SKF), FB208


Deep groove ball bearing Angular contact ball baring Tapered roller bearing Spherical roller bearing Needle roller bearing Pillow block bearing
603  6215 7004 35712 32209 21304 HK0408 HK2538 UCF202 UCP205
604  6216 7005 35713 32210 21305 HK0509 HK2816 UCF203 UCP206
605  6217 7006 35714 32211 21306 HK0606 HK2820 UCF204 UCP207
606  6218 7007 35715 32212 21307 HK0608 HK3012 UCF205 UCP208
607  6219 7008 35716 32213 21308 HK0609 HK3016 UCF206 UCP209
608  6220 7200 35717 32214 21309 HK0709 HK3571 UCF207 UCP210
609  6221 7201 35718 32215 21310 HK0808 HK3571 UCF208 UCP211
623  6222 7202 35719 32216 21311 HK571 HK3026 UCF209 UCP212
624  6224 7203 35710 32217 21312 HK 0571 HK3038 UCF210 UCP213
625  6226 7204 35711 32218 21313 HK571 HK3220 UCF211 UCP214
626  6300 7205 35712 32219 21314 HK1571 HK3224 UCF212 UCP215
627  6301 7206 35713 32220 21315 HK1012 HK3512 UCF213 UCP216
628  6302 7207 35714 32221 21316 HK1015 HK3516 UCF214 UCP217
629  6303 7208 35715 32222 21317 HK1210 HK3520 UCF215 UCP218
634  6304 7209 35716 32224 21318 HK1212 HK4012 UCF216 UCT204
635  6305 7210 35717 32226 21319 HK1311 HK4016 UCF218 UCT205
636  6306 7211 35718 32228 21320 HK1312 HK4571 UCFC204 UCT206
637  6307 7212 35719 32230 21322 HK1412 HK4512 UCFC205 UCT207
638  6308 7213 35710 32232 22205 HK1512 HK4516 UCFC206 UCT208
639  6309 7214 35711 32234 22206 HK1516 HK4520 UCFC207 UCT209
693  6310 7215 35712 32236 22207 HK1522 HK4538 UCFC208 UCT210
694  6311 7216 35714 32238 22208 HK1612 HK5012 UCFC209 UCT211
695  6312 7217 35716 32240 22209 HK1616 HK5571 UCFC210 UCT212
696  6313 7218 35718   22210 HK1622 HK5571 UCFC211 UCT213
697  6314 7219 35710   22211 HK1712 HK5038 UCFC212 UCT214
698  6315 7220 35712   22212 HK1718 HK5520 UCFC213  
699  6316 7221 35714   22213 HK1812 HK5528 UCFC214  
6200 6317 7222 35716   22214 HK1816 HK6012 UCFL204  
6201 6318 7224 35718   22215 HK2571 HK6571 UCFL205  
6202 6319 7226 35710   22216 HK2012 HK6032 UCFL206  
6203 6320 7228 35714   22217 HK2016   UCFL207  
6204 6321 7230 35718   22218 HK2571   UCFL208  
6205 6322 7232 35712   22219 HK2030   UCFL209  
6206 6405 7234 35716   22220 HK2210   UCFL210  
6207 6406   30260   22222 HK2212   UCPA204  
6208 6408   30264   22224 HK2216   UCPA205  
6209 6409   32203   22226 HK2220   UCPA206  
6210 6410   32204   22228 HK2512   UCPA207  
6211 6806   32205   22230 HK2516   UCPA208  
6212 6808   32206   22232 HK2520   UCP202  
6213 6811   32207   22234 HK2524   UCP203  
6214 6813   32208   22236 HK2526   UCP204  

ZheJiang CZPT Bearing can supply you with the broadest possible array of bearings. In addition to Ball bearing, Roller bearing, Needle bearing, Pillow Blocks, we manufacture Flange blocks, Rolling mill bearing, Slide bearing and Water pump bearing. Our unparalleled experience as a total manufacturer and exporter for these industries is essential for the development and application of a premier product line for all general industries.

We pride ourselves on our ability to serve every customer, from backyard mechanics, to independent shop owners, to automotive technicians, to large manufacturing plants. Our Target Industries served are Agricultural Equipment, Cranes, Electric Motors, Gearboxes, Material Handling, Packaging Machinery, Power Tools, Pumps, Railways and Transportation, Robotics, and products for Textile Machinery. ZheJiang Bearing Company is a stronger and growing exporter of bearing in China.

In addition to manufacturing commodity-based bearing products, CZPT Bearing makes custom bearing solutions for OEM. ZheJiang CZPT bearing has stringent quality control standards and maintains complete control over supply, using only the highest grade bearing steel.

Our mission is to fully provide for you. Well into our more than Ten years of business, we are confident that you’ll find what you’re looking for in bearing product here. Please call, email, or stop by for more information.

We are very confident in our products, and we are sure that we can earn your trust!


Q: What the MOQ of your company?
A: In stock, MOQ is 1pc. 

Q: Could you accept OEM and customize?
A: YES, we can customize for you according to sample or drawing.

Q: Could you supply sample for free?
A: Yes, we can supply sample for free, you only need to pay for the shipping cost.

Q: Is you company factory or Trade Company?
A: We have our own factory, our type is factory + trade.

Q: Could you tell me the material of your bearing?
A: We have chrome steel, carbon steel, stainless steel and ceramic.

Q: Could you offer door to door service?
A: Yes, by express (DHL, FEDEX, TNT, EMS) 4-10 days to your city.

Q: What is your company payment terms?
A: T/T. Western Union, PayPal
Q: Could you tell me the delivery time of your goods?
A: If stock, in 7 days or base on your order quantity.

Dear friend, if you have any questions, contact us please.

The Four Basic Components of a Screw Shaft

There are 4 basic components of a screw shaft: the Head, the Thread angle, and the Threaded shank. These components determine the length, shape, and quality of a screw. Understanding how these components work together can make purchasing screws easier. This article will cover these important factors and more. Once you know these, you can select the right type of screw for your project. If you need help choosing the correct type of screw, contact a qualified screw dealer.

Thread angle

The angle of a thread on a screw shaft is the difference between the 2 sides of the thread. Threads that are unified have a 60 degree angle. Screws have 2 parts: a major diameter, also known as the screw’s outside diameter, and a minor diameter, or the screw’s root diameter. A screw or nut has a major diameter and a minor diameter. Each has its own angle, but they all have 1 thing in common – the angle of thread is measured perpendicularly to the screw’s axis.
The pitch of a screw depends on the helix angle of the thread. In a single-start screw, the lead is equal to the pitch, and the thread angle of a multiple-start screw is based on the number of starts. Alternatively, you can use a square-threaded screw. Its square thread minimizes the contact surface between the nut and the screw, which improves efficiency and performance. A square thread requires fewer motors to transfer the same load, making it a good choice for heavy-duty applications.
A screw thread has 4 components. First, there is the pitch. This is the distance between the top and bottom surface of a nut. This is the distance the thread travels in a full revolution of the screw. Next, there is the pitch surface, which is the imaginary cylinder formed by the average of the crest and root height of each tooth. Next, there is the pitch angle, which is the angle between the pitch surface and the gear axis.


There are 3 types of head for screws: flat, round, and hexagonal. They are used in industrial applications and have a flat outer face and a conical interior. Some varieties have a tamper-resistant pin in the head. These are usually used in the fabrication of bicycle parts. Some are lightweight, and can be easily carried from 1 place to another. This article will explain what each type of head is used for, and how to choose the right 1 for your screw.
The major diameter is the largest diameter of the thread. This is the distance between the crest and the root of the thread. The minor diameter is the smaller diameter and is the distance between the major and minor diameters. The minor diameter is half the major diameter. The major diameter is the upper surface of the thread. The minor diameter corresponds to the lower extreme of the thread. The thread angle is proportional to the distance between the major and minor diameters.
Lead screws are a more affordable option. They are easier to manufacture and less expensive than ball screws. They are also more efficient in vertical applications and low-speed operations. Some types of lead screws are also self-locking, and have a high coefficient of friction. Lead screws also have fewer parts. These types of screw shafts are available in various sizes and shapes. If you’re wondering which type of head of screw shaft to buy, this article is for you.

Threaded shank

Wood screws are made up of 2 parts: the head and the shank. The shank is not threaded all the way up. It is only partially threaded and contains the drive. This makes them less likely to overheat. Heads on wood screws include Oval, Round, Hex, Modified Truss, and Flat. Some of these are considered the “top” of the screw.
Screws come in many sizes and thread pitches. An M8 screw has a 1.25-mm thread pitch. The pitch indicates the distance between 2 identical threads. A pitch of 1 is greater than the other. The other is smaller and coarse. In most cases, the pitch of a screw is indicated by the letter M followed by the diameter in millimetres. Unless otherwise stated, the pitch of a screw is greater than its diameter.
Generally, the shank diameter is smaller than the head diameter. A nut with a drilled shank is commonly used. Moreover, a cotter pin nut is similar to a castle nut. Internal threads are usually created using a special tap for very hard metals. This tap must be followed by a regular tap. Slotted machine screws are usually sold packaged with nuts. Lastly, studs are often used in automotive and machine applications.
In general, screws with a metric thread are more difficult to install and remove. Fortunately, there are many different types of screw threads, which make replacing screws a breeze. In addition to these different sizes, many of these screws have safety wire holes to keep them from falling. These are just some of the differences between threaded screw and non-threaded. There are many different types of screw threads, and choosing the right 1 will depend on your needs and your budget.


There are 3 types of screw heads with points: cone, oval, and half-dog. Each point is designed for a particular application, which determines its shape and tip. For screw applications, cone, oval, and half-dog points are common. Full dog points are not common, and they are available in a limited number of sizes and lengths. According to ASTM standards, point penetration contributes as much as 15% of the total holding power of the screw, but a cone-shaped point may be more preferred in some circumstances.
There are several types of set screws, each with its own advantage. Flat-head screws reduce indentation and frequent adjustment. Dog-point screws help maintain a secure grip by securing the collar to the screw shaft. Cup-point set screws, on the other hand, provide a slip-resistant connection. The diameter of a cup-point screw is usually half of its shaft diameter. If the screw is too small, it may slack and cause the screw collar to slip.
The UNF series has a larger area for tensile stress than coarse threads and is less prone to stripping. It’s used for external threads, limited engagement, and thinner walls. When using a UNF, always use a standard tap before a specialized tap. For example, a screw with a UNF point is the same size as a type C screw but with a shorter length.


A spacer is an insulating material that sits between 2 parts and centers the shaft of a screw or other fastener. Spacers come in different sizes and shapes. Some of them are made of Teflon, which is thin and has a low coefficient of friction. Other materials used for spacers include steel, which is durable and works well in many applications. Plastic spacers are available in various thicknesses, ranging from 4.6 to 8 mm. They’re suitable for mounting gears and other items that require less contact surface.
These devices are used for precision fastening applications and are essential fastener accessories. They create clearance gaps between the 2 joined surfaces or components and enable the screw or bolt to be torqued correctly. Here’s a quick guide to help you choose the right spacer for the job. There are many different spacers available, and you should never be without one. All you need is a little research and common sense. And once you’re satisfied with your purchase, you can make a more informed decision.
A spacer is a component that allows the components to be spaced appropriately along a screw shaft. This tool is used to keep space between 2 objects, such as the spinning wheel and an adjacent metal structure. It also helps ensure that a competition game piece doesn’t rub against an adjacent metal structure. In addition to its common use, spacers can be used in many different situations. The next time you need a spacer, remember to check that the hole in your screw is threaded.


A nut is a simple device used to secure a screw shaft. The nut is fixed on each end of the screw shaft and rotates along its length. The nut is rotated by a motor, usually a stepper motor, which uses beam coupling to accommodate misalignments in the high-speed movement of the screw. Nuts are used to secure screw shafts to machined parts, and also to mount bearings on adapter sleeves and withdrawal sleeves.
There are several types of nut for screw shafts. Some have radial anti-backlash properties, which prevent unwanted radial clearances. In addition, they are designed to compensate for thread wear. Several nut styles are available, including anti-backlash radial nuts, which have a spring that pushes down on the nut’s flexible fingers. Axial anti-backlash nuts also provide thread-locking properties.
To install a ball nut, you must first align the tangs of the ball and nut. Then, you must place the adjusting nut on the shaft and tighten it against the spacer and spring washer. Then, you need to lubricate the threads, the ball grooves, and the spring washers. Once you’ve installed the nut, you can now install the ball screw assembly.
A nut for screw shaft can be made with either a ball or a socket. These types differ from hex nuts in that they don’t need end support bearings, and are rigidly mounted at the ends. These screws can also have internal cooling mechanisms to improve rigidity. In this way, they are easier to tension than rotating screws. You can also buy hollow stationary screws for rotator nut assemblies. This type is great for applications requiring high heat and wide temperature changes, but you should be sure to follow the manufacturer’s instructions.

China Good quality Ssuc201 Ssuc202 Ssuc203 Ssuc204 Ssuc205 Ssuc206 Ssuc207 Ssuc208 Ssuc209 Ssuc210 Stainless Steel Radial Insert Ball Bearing China Produce Bearing 202 Shaft 15 mm   with Best SalesChina Good quality Ssuc201 Ssuc202 Ssuc203 Ssuc204 Ssuc205 Ssuc206 Ssuc207 Ssuc208 Ssuc209 Ssuc210 Stainless Steel Radial Insert Ball Bearing China Produce Bearing 202 Shaft 15 mm   with Best Sales