China Good quality Manufacturer direct sales UCP 3 series High Precision Pillow Block Bearing UCP305 UCP308 UCP310 UCP311 316/ Bearing House/ Units Agricultural Machinery parts with high quality

Product Description

Product Description

The TANN mounted bearing units is a bearing which combines the spherical outside surface ball bearing, seal, and a housing of high-grade cast iron or pressed steel. It features a variety of structure patterns, and is suitable for application under tough conditions.

Product Parameters

Pillow blcoks - Heavy duty
Set screw type
Unit No. Dimensions (mm / inch) Bolt Size mm inch Bearing No. Housing No. Weight (kg)
d h a e b S1 S2 g w B n
UCP305 25 45 175 132 45 17 20 15 85 38 38 M14 UC305 P305 1.40 
UCP305-13 13/16 1-49/64 6-7/8 5-3/16 1-25/32 43/64 25/32 19/32 3-11/32 1-4961 0.591 1/2 UC305-13
UCP305-14 7/8 UC305-14
UCP305-15 15/16 UC305-15
UCP305-16 1 UC305-16
UCP306 30 50 180 140 50 17 20 18 95 43 17 M14 UC306 P306 1.80 
UCP306-17 1-1/16 1-31/32 7-3/32 5-1/2 1-31/32 43/64 25/32 23/32 3-3/4 1.6929 0.669 1/2 UC306-17
UCP306-18 1-1/8 UC306-18
UCP306-19 1-3/16 UC306-19
UCP307 35 56 210 160 56 17 25 20 106 48 19 M14 UC307 P307 2.80 
UCP307-20 1-1/4 1-13/64 8-9/32 6-5/16 2-13/64 43/64 31/32 25/32 4-3/16 1.8898 0.748 1/2 UC307-20
UCP307-21 1-5/16 UC307-21
UCP307-22 1-3/8 UC307-22
UCP307-23 1-7/16 UC307-23
UCP308 40 60 220 170 60 17 27 22 116 52 19 M14 UC308 P308 3.00 
UCP308-24 1-1/2 2-23/64 8-21/32 6-11/16 2-3/8 43/64 1-11/16 7/8 4-9/16 2.571 0.748 1/2 UC308-24
UCP308-25 1-9/16 UC308-25
UCP309 45 67 245 190 67 20 30 24 129 57 22 M16 UC309 P309 4.10 
UCP309-26 1-5/8 2-41/64 9-21/32 7-15/32 2-5/8 25/32 1-3/16 15/16 5-3/32 2.2441 0.866 5/8 UC309-26
UCP309-27 1-11/16 UC309-27
UCP309-28 1-3/4 UC309-28
UCP310 50 75 275 212 75 20 35 27 143 61 22 M16 UC310 P310 5.80 
UCP310-29 1-13/16 2-61/64 10-13/16 8-11/32 2-15/16 25/32 1/3/8 1-1/16 5-5/8 2.4016 0.866 5/8 UC310-29
UCP310-30 1-7/8 UC310-30
UCP310-31 1-15/16 UC310-31
UCP311 55 80 310 236 80 20 38 30 154 66 25 M16 UC311 P311 7.40 
UCP311-32 2 3-5/32 12-7/32 9-9/32 3-5/32 25/32 1-1/2 1-3/16 6-1/16 2.5984 0.984 5/8 UC311-32
UCP311-33 2-1/16 UC311-33
UCP311-34 2-1/8 UC311-34
UCP311-35 2-3/6 UC311-35
UCP312 60 85 330 250 85 25 38 32 165 71 26 M20 UC312 P312 9.40 
UCP312-36 2-1/4 3-11/32 13 9-17/32 3-11/32 31/32 1-1/2 1-1/4 6-1/2 2.7953 1.571 3/4 UC312-36
UCP312-37 2-5/16 UC312-37
UCP312-38 2-3/8 UC312-38
UCP312-39 2-7/16 UC312-39
UCP313 65 90 340 260 90 25 38 33 176 75 30 M20 UC313 P313 10.00 
UCP313-40 2-1/2 3-35/64 3-3/8 10-1/4 3-17/32 31/32 1-1/2 1-5/16 6-15/16 2.9528 1.181 3/4 UC313-40
UCP313-41 2-9/16 UC313-41
UCP314 70 95 360 280 90 27 40 35 187 78 33 M22 UC314 P314 12.00 
UCP314-42 2-5/8 95 360 280 90 27 40 35 187 78 33 M22 UC314-42
UCP314-43 2-11/16 3-47/64 14-3/16 11-1/32 3-17/32 1-1/16 1-9/16 1-3/8 7-3/8 3.0708 1.299 7/8 UC314-43
UCP314-44 2-3/4 UC314-14
UCP315 75 100 380 290 100 27 40 35 198 82 32 M22 UC315 P315 14.00 
UCP315-45 2-13/16 3-15/16 14-31/32 11-13/32 3-15/16 1-1/16 1-9/16 1-3/8 7-25/32 3.2283 1.26 7/8 UC315-45
UCP315-46 2-7/8 UC315-46
UCP315-47 2-15/16 UC315-47
UCP315-48 3 UC315-48
UCP316 80 106 400 300 110 27 40 40 210 86 34 M22 UC316 P316 18.00 
UCP316-49 3-1/16 4-11/64 15-3/4 11-13/16 4-11/32 1-1/16 1-9/16 1-9/16 8-9/32 3.3858 1.339 7/8 UC316-49
UCP316-50 3-1/8 UC316-50
UCP316-51 3-3/16 UC316-51
UCP317 85 112 420 320 110 33 45 40 220 96 40 M27 UC317 P317 20.00 
UCP317-52 3-1/4 4-13/32 16-17/32 12-19/32 4-11/32 1-5/16 1-25/32 1-9/16 8-21/32 3.7795 1.575 1 UC317-52
UCP317-53 3-5/16 UC317-53
UCP317-55 3-7/16 UC317-55
UCP318 90 118 430 330 110 33 45 45 235 96 40 M27 UC318 P318 24.00 
UCP318-55 3-7/16 4-41/64 16-15/16 13 4-11/32 1-5/16 1-25/32 1-25/32 9-1/4 3.7795 1.575 1 UC318-55
UCP318-56 3-1/2 UC318-56
UCP319 95 125 470 360 120 36 50 45 250 103 41 M30 UC319 P319 29.00 
UCP319-58 3-5/8 4-59/64 18-1/2 14-3/16 4-23/32 1-13/32 1-31/32 1-25/32 9-27/32 4.571 1.614 1-1/8 UC319-58
UCP319-59 3-11/16 UC319-59
UCP319-60 3-3/4 UC319-60
UCP320 100 140 490 380 120 36 50 50 275 108 42 M30 UC320 P320 35.00 
UCP320-64 4 5-33/64 19-9/32 14-31/32 4-23/32 1-13/32 1-31/32 1-31/32 10-53/64 4.252 1.6536 1-1/8 UC320-64
UCP322 110 150 520 400 140 40 55 55 300 117 46 M33 UC322 P322 45.00 
UCP324 120 160 570 450 140 40 55 65 320 126 51 M33 UC324 P324 55.00 
UCP326 130 180 600 480 140 40 55 75 355 135 54 M33 UC326 P326 72.00 
UCP328 140 200 620 500 140 40 55 75 390 145 59 M33 UC328 P328 89.00 


More Choices

Our main product ranges are ball bearings and full ranges of mounted bearing units, including 60 series, 62series, 63 series; thin-wall bearing such as 68 series and 69 series, and also flange bearings, inch bearings, high precision angular contact bearing; UC/UCP/UCF/UCFL/UCT, etc. Non-standard bearings based on customer's demand are available too.

Wide range of products from strong supplying supplying chains to make suitable solution.

Advantage Products




Rational self- alignment
Larger load carrying capacity, relubrucable, longer service life of the units
Efficient, sealing ability of the units with covers is perfect
Solid housing, provide max rigidty against deformation for any condition
Easy and positive locking to shaft
Special heat-treatment on bearing inner ring prevent causing cracking
Unique device to prevent bearing outer ring rotation
Complete interchangeability between bearing and housing 
Easy installlation
Easy positioning for mounting


Agriculture Mining
Engineering Chemical machinery
Textile Plastic
Dyeing and fining Other industries

Company Profile

About Us

Focus on a variety of industries
Provide maintenance solutions
Optimize customer inventory and reduce cost

Established in 2012, HangZhou Granville is a branch of the Granville Group. With our experience, competitive prices and excellent service, we have won the praise of our customers. Our business involves standard and special industrial parts, automotive parts and construction machinery parts required for a variety of different industrial applications.
Our main products include
Bearing series :
ball bearings, deep groove ball bearings, self-aligning ball bearings, angularcontact ball bearings, cylindrical roller bearing, tapered roller bearings, thrust ball bearings, thrust rollerbearings, needle bearings, spherical bearings, joint bearings, pillow blocks, linear bearings, etc.
Accessories series:Automotive Spare Parts,Seals & O-rings ,Power transmission parts Chain and Sprocket
Our products are mainly exported to Europe, America, Middle East, Southeast Asia, India, Pakistan, Bangladesh, Singapore, Korea and other countries around the world. We have a large number of products in stock, which can be delivered with high efficiency in the shortest possible time to solve your matching problems in time. In addition, we have reliable quality and quantity of products to offer. We adhere to the principle of win-win situation and insist on "providing comprehensive quality products and best reputation" to provide excellent services to our customers.

What We Do

Comprehensive product range:
- Bearings
- Oil seals, Transmission belt
- Chain and Sprocket
- Hub assembly & Wheel bearings
- Coupling, castings
- Linear motion

Packaging & Shipping


Our Advantages

1. We have the most advanced bearing process equipment, CNC automatic facilities, and testing instruments.
2. We manufacture ball bearings and mounted bearing units, and also provide a strong full range of products, including electric motors and components One-stop partnerships products from our audited supply chain.
3. All products are manufactured exclusively by companies with ISO 9001:2008 certified Quality Systems which use state-of-the-art machines. The quality path starts from the beginning to deliver and goods' quality trackable

Our Values
Behavior-based, service-oriented, focused on results and committed to continuous improvement

Advantage Manufacturing Processes and Quality Control:

01Heat Treatment
02 Centerless Grinding Machine 11200 (most advanced)
03 Automatic Production Lines for Raceway
04 Automatic Production Lines for Raceway
05 Ultrasonic Cleaning of Rings
06 Automatic Assembly
07 Ultrasonic Cleaning of Bearings
08 Automatic Greasing, Seals Pressing
09Measurement of Bearing Vibration (Acceleration)
10 Measurement of Bearing Vibration (Speed)
11 Laser Marking
12 Automatic Packing

After Sales Service

  1. Optimize customer inventory and reduce cost
  2. Provide maintenance solutions

Quality Warranty

Granville as a manufacturer of high quality products, guarantees compliance with the highest standards relative to the use of the best steel quality in the production process, the highest standards in the design of contact surfaces, as well as the most efficient packing and lubrication of parts. From material coming, quality control through all processes. Except interal test, goods to third party inspection if required. After the center of inspection and experiment being founded, effective methods of inspecting all kinds of raw materials are mastered and then the reliability of bearings is ensured. One of our main objectives is the continued improvement in the quality of our products and processes, in pursuit of which we obtained ISO certification 9001:2008 and TS16949. 


Q1.Can you accept OEM and customization?

A: Yes. We can customize it according to the samples and drawings you provide.

Q2.Do you keep a stock of these things?
A: In stocks

Q3.Can you provide samples free of charge?
A: Yes. We can provide samples free of charge. But the freight is paid by the customer.

Q4.What's the delivery date?
A: The delivery time of sample orders is 3 working days.The bulk orders are 5-10 working days.

Q5: Why your price is higher than others?
A: Price = quality . We firmly believe that by the quality of the customer is always get more reliable than on price . So we insist on doing high-quality products.

Q6:What kind of transport do you have ?
A: According to the weight,we will choose the most appropriate mode of transport for you. Our freight forwarding is efficient and cheap.

Preventative Maintenance on Tractor Parts

You should not take your tractor out of commission by replacing the parts that are not working properly. You should be proactive about maintaining your tractor parts to ensure that they work well and are of the highest quality. You should also check if the company is 10 years old or more, as this will ensure that they have enough experience to handle warranty issues and any other problems. Lastly, you should check if the tractor parts company has a good reputation. Having a long standing company that is available around the clock is a plus.


Preventative maintenance of tractor parts

Performing preventative maintenance on tractor parts will help you avoid unexpected breakdowns and enhance its efficiency. Whether you're the sole owner of a tractor or a part-owner, you should know which parts you need and where to find them. Having spares available is also important, as they can help you solve problems quickly. Listed below are some of the parts you need to know about. These components are essential for your tractor's engine.

To maintain your tractor's internal components, check for wear. Lubricate internal parts regularly to reduce friction. When possible, bring your tractor to a dealer for a thorough inspection. Additionally, remember to keep the tractor's air filter clean. Dust in the air strains the tractor's engine, and a dirty air filter can cause a lot of damage. By following the manufacturer's instructions for proper maintenance, you can avoid costly repairs down the road.

For oil changes, check the owner's manual for recommended oil change intervals. Make notes in the manual about the parts you'll need. You can also refer to the manufacturer's PM checklist. Depending on the type of tractor you own, you may need to change the oil once a year or more often. To keep your tractor running optimally, drain old oil after every use. The same goes for hydraulic fluid. Over time, it can become contaminated with particles and water. Therefore, it's best to change it every year.

Modern tractors use a cooling system with fans and radiators. This system operates in varying temperatures and if it breaks down, you risk damaging the engine's core parts. In addition, you should store your tractor's battery under climate control. A battery maintainer can be purchased at any auto parts store. It's a great idea to regularly inspect your tractor's engine for problems as early as possible.

Types of tractor clutches

In a modern tractor, there are many types of transmission systems, and this article compares the pros and cons of each type. The original drive system of tractors relied on a clutch to change gears and range and engage/disengage the PTO drive. The clutch was usually a two-stage design; a full depression disengaged all drive systems while a partial depression only disengaged the gearbox. Today, these systems are independent.

The friction plate is a steel plate with a splined central hub. It features annular friction facings and is held between the flywheel and pressure plate. It has splines that limit its axial travel along the gearbox's driving shaft and dampen torsional vibrations. Single-plate clutches are most commonly used in heavy agricultural equipment. While they were initially developed as a cost-effective alternative to drum brakes, they quickly gained popularity due to their low price and ease of use.

Another type of tractor clutch is the wrap-spring. These use a special cast-iron spring. This spring is able to transmit torque to the driven plate when the tractor is operating at normal engine speed, while the clutch springs help transmit torque to the driven plate when the engine is running at high engine speeds. The wrap-spring clutches must be lubricated with light oil and should be checked for deterioration after a few years.

The advantages and disadvantages of these types of clutches are explained briefly. They are generally made from high-quality materials and contain a high copper content. They have high-friction properties and can transfer heat effectively to the engine. The friction coefficient of these types of clutches ranges from 0.33 to 0.4. As a result, they are the best choice for intensive applications. In conclusion, there are many advantages and disadvantages of each type of tractor clutch.


Types of tractor transmission gears

There are several different types of tractor transmission gear. One of the most common is hydrostatic. A hydrostatic transmission works like a standard manual transmission, and operates with a pedal. To operate a hydrostatic transmission, you simply select the gear and engine speed you want, push the pedal, and the hydraulic oil turns the gears. Because this type of transmission is clutchless, it provides smooth forward/backward operation without the need for a manual shifter.

Tractor transmissions come in several types and have different features. Some of these systems are better for certain types of work than others, and you'll find different types depending on the size and type of your tractor. Many tractors have 2 types of transmissions: geared speed and power shift. Each type offers different benefits, and they vary in cost and ease of use. There's a geared speed transmission, a synchromesh transmission, and a power shift transmission.

A CVT (continuously variable transmission) is another popular option. Like hydro, CVTs use a belt to transfer power from the engine to the wheels. These tractors can shift gears with little effort. These tractors can reach up to 4 speeds without the need for a clutch. Powershift transmissions are simpler and more durable than CVTs. They're also easier to repair. But a CVT may be the better choice for your farm tractor.

Hydrostatic and power shuttle transmissions allow you to shift gears and direction without the use of a clutch. Hydrostatic transmissions are usually hydraulically actuated, which makes it easy to change gears without using the clutch. Similarly, power shuttle transmissions are great for heavy-duty forward-and-reverse shifting. In either case, the clutches are hydraulically actuated and bathed in oil.

Types of CZPT fittings

In a nutshell, there are 2 types of CZPT fittings: standard and grease-fill. Standard CZPTs have 3 to 4 pumps of grease per fitting. Grease-filled CZPTs tend to attract dirt, dust, and sand, which can damage moving parts. Keeping these parts clean is crucial to their long-term performance. Using a rag to wipe off excess grease is an excellent way to ensure that the seals remain as sealed as possible.

There are different types of grease-filling tools available. Some are specifically designed to clear blocked CZPTs. These tools are used to fill the CZPT fitting with grease or diesel fuel and hit the fitting with a hammer. Be sure to use high-quality fitting rejuvenators, as cheap ones are less effective. These are also harder to find than grease-filling tools. To avoid these issues, use the proper tools when servicing your tractor.

CZPT fittings are used for many different kinds of tractor parts. You may find them on lawn equipment, construction equipment, and farming equipment. If you are unsure of what type your equipment has, ask your local CZPT dealer or visit 1 of their 17,000 CZPT AutoCare locations. Don't forget to regularly grease these parts for the best performance. When you don't have time to do so, they can lead to costly repairs.

Standard CZPTs feature a dome-shaped nipple that makes it easy to spot. Flow-stop fittings feature a ball check valve that reduces backflow during lubrication. Drive-type CZPTs feature a special coupler with a cross-pin to provide a positive lock. This type of grease CZPT eliminates the need for tapping during servicing.


Preventative maintenance of tractor's CZPT fittings

Proper grease application and regular inspections are important parts of CZPT fittings. If a CZPT becomes stuck in an opening, the ball may not be able to come out. Lubrication around CZPTs is important as grease can damage the components and cause bigger problems. A tractor's CZPT fittings are part of the tractor's electrical system, so it is important to replace them when they become damaged.

Grease CZPTs allow the addition of grease at the manufacturer's specifications. These fittings consist of a spring and metal ball inside a nipple. The grease gun compresses the spring and releases the ball from the nipple opening. Grease CZPTs are essential parts of heavy equipment, as a failed grease CZPT may cause brake failures and other systems to fail. Failure to maintain these fittings can cause rollover accidents.

Greasing the CZPTs is a vital part of regular tractor maintenance. Greasing the CZPTs will prevent your tractor's bearings from sticking and make your work easier. Grease the CZPTs on pivot points and joints to keep them lubricated and running smoothly. For easy grease application, consider using a battery-powered grease gun. Once you have lubricated the CZPTs, you can move on to other parts of the tractor.

In addition to grease, you should check for leaks on your tractor's CZPTs regularly. If you notice dirt buildup, there might be a leak. You can also check for any worn hoses to avoid major problems. If there is a leak, tighten the fittings and replace worn ones as soon as possible to avoid further damage. By performing these tasks regularly, you can increase the efficiency of your tractor and avoid unexpected breakdowns.

China Good quality Manufacturer direct sales UCP 3 series High Precision Pillow Block Bearing UCP305 UCP308 UCP310 UCP311 316/ Bearing House/ Units Agricultural Machinery parts     with high qualityChina Good quality Manufacturer direct sales UCP 3 series High Precision Pillow Block Bearing UCP305 UCP308 UCP310 UCP311 316/ Bearing House/ Units Agricultural Machinery parts     with high quality