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

 

UCP 2														TANN
Pillow blcoks – Standard 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	t	B	n
UCP201	12	30.2	124	94	32	13	19	14	57	44.5	31	12.7	M10	UC201	P203	0.66
UCP201-8	1/2	1-3/16	5	3-3/4	1-1/2	1/2	3/4	9/16	2-7/16	1-3/4	1.2205	0.5	3/8	UC201-8		0.66
UCP202	15	30.2	124	94	32	13	19	14	57	44.5	31	12.7	M10	UC202	P203	0.66
UCP202-9	9/16	1-3/16	5	3-3/4	1-1/2	1/2	3/4	9/16	2-7/16	1-3/4	1.2205	0.5	3/8	UC202-9		0.66
UCP202-10	5/8													UC202-10		0.66
UCP203	17	30.2	124	94	32	13	19	14	57	44.5	31	12.7	M10	UC203	P203	0.66
UCP203-11	11/16	1-3/16	5	3-3/4	1-1/2	1/2	3/4	9/16	2-7/16	1-3/4	1.2205	0.5	3/8	UC203-11		0.66
UCP204	20	33.3	127	94	32	13	19	14	57	44.5	31	12.7	M10	UC204	P204	0.70
UCP204-12	3/4	1-5/16	5	3-3/4	1-1/2	1/2	3/4	9/16	2-7/16	1-3/4	1.2205	0.5	3/8	UC204-12		0.70
UCP205	25	36.5	140	105	38	13	19	15	69.5	48	34.1	14.3	M10	UC205	P205	0.76
UCP205-13	13/16	1-7/16	5-1/2	4-1/8	1-1/2	1/2	3/4	19/32	2-25/32	1-57/64	1.3425	0.563	3/8	UC205-13		0.85
UCP205-14	7/8													UC205-14		0.83
UCP205-15	15/16													UC205-15		0.82
UCP205-16	1													UC205-16		0.81
UCP206	30	42.9	160	121	44	17	20	17	84	53	38.1	15.9	M14	UC206	P206	1.24
UCP206-17	1-1/16	1-11/16	6-19/64	4-3/4	1-47/64	43/64	25/32	21/32	3-5/16	2-5/64	1.5	0.626	1/2	UC206-17		1.27
UCP206-18	1-1/8													UC206-18		1.26
UCP206-19	1-3/16													UC206-19		1.24
UCP206-20	1-1/4													UC206-20		1.23
UCP207	35	47.6	167	127	48	17	20	18	93	59.5	42.9	17.5	M14	UC207	P207	1.58
UCP207-20	1-1/4	1-7/8	6-9/16	5	1-7/8	43/64	25/32	45/64	3-21/32	2-11/32	1.689	0.689	1/2	UC207-20		1.64
UCP207-21	1-5/16													UC207-21		1.61
UCP207-22	1-3/8													UC207-22		1.58
UCP207-23	1-7/16													UC207-23		1.55
UCP208	40	49.2	181	136	50	17	20	18	98	69	49.2	19	M14	UC208	P208	1.89
UCP208-24	1-1/2	1-15/16	7-1/4	5-13/32	2-7/8	43/64	25/32	45/64	3-15/16	2-23/32	1.937	0.748	1/2	UC208-24		1.93
UCP208-25	1-9/16													UC208-25		1.90
UCP209	45	54	190	146	54	17	20	20	106	69	49.2	19	M14	UC209	P209	2.14
UCP209-26	1-5/8	2-1/8	7-15/32	5-3/4	2-1/8	43/64	25/32	25/32	4-11/64	2-23/32	1.937	0.748	1/2	UC209-26		2.24
UCP209-27	1-11/16													UC209-27		2.20
UCP209-28	1-3/4													UC209-28		2.14
UCP210	50	57.2	203	159	60	20	23	21	113	74.5	51.6	19	M16	UC210	P210	2.66
UCP210-29	1-13/16	2-1/4	8-1/8	6-1/4	2-3/8	25/32	29/32	53/64	4-29/64	2-15/16	2.571	0.748	5/8	UC210-29		2.78
UCP210-30	1-7/8													UC210-30		2.73
UCP210-31	1-15/16													UC210-31		2.68
UCP210-32	2													UC210-32		2.64
UCP211	55	63.5	218	171	57	20	23	23	125	76	55.6	22.2	M16	UC211	P211	3.31
UCP211-32	2	2-1/2	8-5/8	6-47/64	2-3/8	25/32	29/32	29/32	4-59/64	3	2.189	0.874	5/8	UC211-32		3.46
UCP211-33	2-1/16													UC211-33		3.40
UCP211-34	2-1/8													UC211-34		3.35
UCP211-35	2-3/16													UC211-35		3.29
UCP212	60	69.8	239	184	70	20	23	25	138	89	65.1	25.4	M16	UC212	P212	4.90
UCP212-36	2-1/4	2-3/4	9-1/2	7-1/4	2-3/4	25/32	29/32	63/64	5-7/16	3-1/2	2.563	1	5/8	UC212-36		5.03
UCP212-37	2-5/16													UC212-37		4.95
UCP212-38	2-3/8													UC212-38		4.88
UCP212-39	2-7/16													UC212-39		4.81
UCP213	65	76.2	264	203	70	25	28	27	150	89	65.1	25.4	M20	UC213	P213	5.15
UCP213-40	2-1/2	3	10-7/16	8	2-3/4	63/64	1-3/32	1-1/16	5-29/32	3-1/2	2.563	1	3/4	UC213-40		5.24
UCP213-41	2-9/16													UC213-41		5.15
UCP214	70	79.4	266	210	72	25	28	27	156	–	74.6	30.2	M20	UC214	P214	6.20
UCP214-42	2-5/8	3-1/8	10-15/32	8-17/64	2-27/32	63/64	1-3/32	1-1/16	6-9/64	–	2.937	1.189	3/4	UC214-42		6.41
UCP214-43	2-11/16													UC214-43		6.31
UCP214-44	2-3/4													UC214-44		6.21
UCP215	75	82.6	275	217	74	25	28	28	162	–	77.8	33.3	M20	UC215	P215	7.16
UCP215-45	2-13/16	3-1/4	10-53/64	8-35/64	2-29/32	63/64	1-3/32	1-3/32	6-3/8	–	3.063	1.311	3/4	UC215-45		7.41
UCP215-46	2-7/8													UC215-46		7.30
UCP215-47	2-15/16													UC215-47		7.19
UCP215-48	3													UC215-48		7.07
UCP216	80	88.9	290	232	78	25	28	30	174	–	82.6	33.3	M20	UC216	P216	8.10
UCP216-49	3-1/16	3-1/2	11-1/2	9-1/8	3-1/16	63/64	1-3/32	1-3/16	6-27/32	–	3.252	1.311	3/4	UC216-49		8.28
UCP216-50	3-1/8													UC21S-50		8.15
UCP216-51	3-3/16													UC216-51		8.02
UCP217	85	95.2	310	247	83	25	28	32	185	–	85.7	34.1	M20	UC217	P217	9.81
UCP217-52	3-1/4	3-3/4	12-13/64	9-23/32	3-17/64	63/64	1-3/32	1-1/4	7-9/32	–	3.374	1.343	3/4	UC217-52		8.28
UCP217-53	3-5/16													UC217-53		8.15
UCP217-55	3-7/16													UC217-55		8.02
UCP218	90	101.6	327	262	88	27	30	33	198	–	96	39.7	M22	UC218	P218	11.96
UCP218-56	3-1/2	101.6 4	12-7/8	10-5/16	3-15/32	1-1/16	1-3/16	1-19/64	7-51/64	–	3.7795	1.563	7/8	UC218-56		12.07

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

 

 

Features

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

Application
 

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. 

FAQ

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.
 

How to Choose the Right Worm Shaft

You might be curious to know how to choose the right Worm Shaft. In this article, you will learn about worm modules with the same pitch diameter, Double-thread worm gears, and Self-locking worm drive. Once you have chosen the proper Worm Shaft, you will find it easier to use the equipment in your home. There are many advantages to selecting the right Worm Shaft. Read on to learn more.

Concave shape

The concave shape of a worm’s shaft is an important characteristic for the design of a worm gearing. Worm gearings can be found in a wide range of shapes, and the basic profile parameters are available in professional and firm literature. These parameters are used in geometry calculations, and a selection of the right worm gearing for a particular application can be based on these requirements.
The thread profile of a worm is defined by the tangent to the axis of its main cylinder. The teeth are shaped in a straight line with a slightly concave shape along the sides. It resembles a helical gear, and the profile of the worm itself is straight. This type of gearing is often used when the number of teeth is greater than a certain limit.
The geometry of a worm gear depends on the type and manufacturer. In the earliest days, worms were made similar to simple screw threads, and could be chased on a lathe. During this time, the worm was often made with straight-sided tools to produce threads in the acme plane. Later, grinding techniques improved the thread finish and reduced distortions resulting from hardening.
When a worm gearing has multiple teeth, the pitch angle is a key parameter. A greater pitch angle increases efficiency. If you want to increase the pitch angle without increasing the number of teeth, you can replace a worm pair with a different number of thread starts. The helix angle must increase while the center distance remains constant. A higher pitch angle, however, is almost never used for power transmissions.
The minimum number of gear teeth depends on the angle of pressure at zero gearing correction. The diameter of the worm is d1, and is based on a known module value, mx or mn. Generally, larger values of m are assigned to larger modules. And a smaller number of teeth is called a low pitch angle. In case of a low pitch angle, spiral gearing is used. The pitch angle of the worm gear is smaller than 10 degrees.

Multiple-thread worms

Multi-thread worms can be divided into sets of one, two, or 4 threads. The ratio is determined by the number of threads on each set and the number of teeth on the apparatus. The most common worm thread counts are 1,2,4, and 6. To find out how many threads you have, count the start and end of each thread and divide by two. Using this method, you will get the correct thread count every time.
The tangent plane of a worm’s pitch profile changes as the worm moves lengthwise along the thread. The lead angle is greatest at the throat, and decreases on both sides. The curvature radius r” varies proportionally with the worm’s radius, or pitch angle at the considered point. Hence, the worm leads angle, r, is increased with decreased inclination and decreases with increasing inclination.
Multi-thread worms are characterized by a constant leverage between the gear surface and the worm threads. The ratio of worm-tooth surfaces to the worm’s length varies, which enables the wormgear to be adjusted in the same direction. To optimize the gear contact between the worm and gear, the tangent relationship between the 2 surfaces is optimal.
The efficiency of worm gear drives is largely dependent on the helix angle of the worm. Multiple thread worms can improve the efficiency of the worm gear drive by as much as 25 to 50% compared to single-thread worms. Worm gears are made of bronze, which reduces friction and heat on the worm’s teeth. A specialized machine can cut the worm gears for maximum efficiency.

Double-thread worm gears

In many different applications, worm gears are used to drive a worm wheel. These gears are unique in that the worm cannot be reversed by the power applied to the worm wheel. Because of their self-locking properties, they can be used to prevent reversing motion, although this is not a dependable function. Applications for worm gears include hoisting equipment, elevators, chain blocks, fishing reels, and automotive power steering. Because of their compact size, these gears are often used in applications with limited space.
Worm sets typically exhibit more wear than other types of gears, and this means that they require more limited contact patterns in new parts. Worm wheel teeth are concave, making it difficult to measure tooth thickness with pins, balls, and gear tooth calipers. To measure tooth thickness, however, you can measure backlash, a measurement of the spacing between teeth in a gear. Backlash can vary from 1 worm gear to another, so it is important to check the backlash at several points. If the backlash is different in 2 places, this indicates that the teeth may have different spacing.
Single-thread worm gears provide high speed reduction but lower efficiency. A multi-thread worm gear can provide high efficiency and high speed, but this comes with a trade-off in terms of horsepower. However, there are many other applications for worm gears. In addition to heavy-duty applications, they are often used in light-duty gearboxes for a variety of functions. When used in conjunction with double-thread worms, they allow for a substantial speed reduction in 1 step.
Stainless-steel worm gears can be used in damp environments. The worm gear is not susceptible to rust and is ideal for wet and damp environments. The worm wheel’s smooth surfaces make cleaning them easy. However, they do require lubricants. The most common lubricant for worm gears is mineral oil. This lubricant is designed to protect the worm drive.

Self-locking worm drive

A self-locking worm drive prevents the platform from moving backward when the motor stops. A dynamic self-locking worm drive is also possible but does not include a holding brake. This type of self-locking worm drive is not susceptible to vibrations, but may rattle if released. In addition, it may require an additional brake to keep the platform from moving. A positive brake may be necessary for safety.
A self-locking worm drive does not allow for the interchangeability of the driven and driving gears. This is unlike spur gear trains that allow both to interchange positions. In a self-locking worm drive, the driving gear is always engaged and the driven gear remains stationary. The drive mechanism locks automatically when the worm is operated in the wrong manner. Several sources of information on self-locking worm gears include the Machinery’s Handbook.
A self-locking worm drive is not difficult to build and has a great mechanical advantage. In fact, the output of a self-locking worm drive cannot be backdriven by the input shaft. DIYers can build a self-locking worm drive by modifying threaded rods and off-the-shelf gears. However, it is easier to make a ratchet and pawl mechanism, and is significantly less expensive. However, it is important to understand that you can only drive 1 worm at a time.
Another advantage of a self-locking worm drive is the fact that it is not possible to interchange the input and output shafts. This is a major benefit of using such a mechanism, as you can achieve high gear reduction without increasing the size of the gear box. If you’re thinking about buying a self-locking worm gear for a specific application, consider the following tips to make the right choice.
An enveloping worm gear set is best for applications requiring high accuracy and efficiency, and minimum backlash. Its teeth are shaped differently, and the worm’s threads are modified to increase surface contact. They are more expensive to manufacture than their single-start counterparts, but this type is best for applications where accuracy is crucial. The worm drive is also a great option for heavy trucks because of their large size and high-torque capacity.