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Product Description

The rings and balls of all-ceramic deep groove ball bearings are made of silicon nitride (Si3N4) ceramic material. This bearing can be designed as a full ball or with PTFE, PEEK or stainless steel 304/316 cage. PTFE is the default standard cage.
Full ceramic deep groove ball bearings have the characteristics of non-magnetic and electrical insulation, wear-resistant and corrosion-resistant, oil-free and self-lubricating, high temperature and cold resistance, and can be used in extremely harsh environments and special working conditions. It can be used in high temperature environment above 400ºC under the condition of full ball or equipped with stainless steel 316 cage. The PEEK cage can also be used at temperatures above 250°C. For CZPT temperatures (for example, lower than -70°C), full ceramic bearings with PTFE cages or stainless steel 316 cages can be used. Normally, the normal radial clearance is C0. When it is necessary to adapt to the extreme environment, other clearances can be customized.

model	size(mm)					Installation size (mm)			weight	weight
	size(mm)					da	Da	ra	(kg)	(kg)
	d	D	B	r(min)	r1(min)	min	max	max	ZrO2	Si3N4
7900	10	22	6	0.3	0.15	12.5	19.5	0.3	0.007	0.0038
7000		26	8	0.3	0.15	12.5	23.5	0.3	0.014	0.0075
7200		30	9	0.6	0.3	15	25	0.6	0.571	0.013
7300		35	11	0.6	0.3	15	30	0.6	0.04	0.571
7901	12	24	6	0.3	0.15	14.5	21.5	0.3	0.008	0.0042
7001		28	8	0.3	0.15	14.5	25.5	0.3	0.017	0.0092
7201		32	10	0.6	0.3	17	27	0.6	0.571	0.015
7301		37	12	1	0.6	18	31	1	0.046	0.571
7902	15	28	7	0.3	0.15	17.5	25.5	0.3	0.012	0.0063
7002		32	9	0.3	0.15	17.5	29.5	0.3	0.571	0.013
7202		35	11	0.6	0.3	20	30	0.3	0.035	0.019
7302		42	13	1	0.6	21	36	1	0.064	0.035
7903	17	30	7	0.3	0.15	19.5	27.5	0.3	0.013	0.0071
7003		35	10	0.3	0.15	19.5	32.5	0.3	0.032	0.017
7203		40	12	0.6	0.3	22	35	0.6	0.052	0.571
7303		47	14	1	0.6	23	41	1	0.087	0.047
7904	20	37	9	0.3	0.15	22.5	34.5	0.3	0.571	0.015
7004		42	12	0.6	0.3	25	37	0.6	0.052	0.571
7204		47	14	1	0.6	26	41	1	0.082	0.045
7304		52	15	1.1	0.6	27	45	1	0.11	0.06
7905	25	42	9	0.3	0.15	27.5	39.5	0.3	0.032	0.018
7005		47	12	0.6	0.3	30	42	0.6	0.061	0.033
7205		52	15	1	0.6	31	46	1	0.099	0.054
7305		62	17	1.1	0.6	32	55	1	0.18	0.098
7906	30	47	9	0.3	0.15	32.5	44.5	1	0.04	0.571
7006		55	13	1	0.6	36	49	1	0.089	0.048
7206		62	16	1	0.6	36	56	1	0.15	0.083
7306		72	19	1.1	0.6	37	65	1	0.27	0.14
7907	35	55	10	0.6	0.3	40	50	0.6	0.058	0.031
7007		62	14	1	0.6	41	56	1	0.12	0.063
7207		72	17	1.1	0.6	42	65	1	0.22	0.12
7307		80	21	1.5	1	44	71	1.5	0.36	0.19
7908	40	62	12	0.6	0.3	45	57	0.6	0.09	0.05
7008		68	15	1	0.6	46	62	1	0.15	0.08
7208		80	18	1.1	0.6	47	73	1	0.28	0.15
7308		90	23	1.5	1	49	81	1.5	0.49	0.27
7909	45	68	12	0.6	0.3	50	63	0.6	0.097	0.053
7009		75	16	1	0.6	51	69	1	0.19	0.1
7209		85	19	1.1	0.6	52	78	1	0.32	0.175
7309		100	25	1.5	1	54	91	1.5	0.64	0.345
7910	50	72	12	0.6	0.3	55	67	0.6	0.1	0.06
7571		80	16	1	0.6	56	74	1	0.2	0.11
7210		90	20	1.1	0.6	57	83	1	0.35	0.19
7310		110	27	2	1	60	100	2	0.82	0.44
7911	55	80	13	1	0.6	61	74	1	0.15	0.08
7011		90	18	1.1	0.6	62	83	1	0.29	0.16
7211		100	21	1.5	1	64	91	1.5	0.48	0.26
7311		120	29	2	1	65	110	2	1.05	0.57
7912	60	85	13	1	0.6	66	79	1	0.15	0.08
7012		95	18	1.1	0.6	67	88	1	0.32	0.17
7212		110	22	1.5	1	69	101	1.5	0.6	0.33
7312		130	31	2.1	1.1	72	118	2	1.32	0.72
7913	65	90	13	1	0.6	71	84	1	0.17	0.09
7013		100	18	1.1	0.6	72	93	1	0.34	0.18
7213		120	23	1.5	1	74	111	1.5	0.77	0.42
7313		140	33	2.1	1.1	77	128	2	1.62	0.88
7914	70	100	16	1	0.6	76	94	1	0.27	0.15
7014		110	20	1.1	0.6	77	103	1	0.47	0.25
7214		125	24	1.5	1	79	116	1.5	0.84	0.45
7314		150	35	2.1	1.1	82	138	2	1.98	1.07
7915	75	105	16	1	0.6	81	99	1	0.28	0.15
7015		115	20	1.1	0.6	82	108	1	0.5	0.27
7215		130	25	1.5	1	84	121	1.5	0.92	0.5
7916	80	110	16	1	0.6	86	104	1	0.3	0.16
7016		125	22	1.1	0.6	87	118	1	0.67	0.36
7216		140	26	2	1	90	130	2	1.09	0.59
7017	85	130	22	1.1	0.6	92	123	1	0.71	0.38
7217	85	150	28	2	1	95	140	2	1.35	0.73
7918	90	125	18	1.1	0.6	97	118	1	0.45	0.24
7018	90	140	24	1.5	1	99	131	1.5	0.92	0.5
7919	95	130	18	1.1	0.6	102	123	1	0.46	0.25
7019	95	145	24	1.5	1	104	136	1.5	0.95	0.51
7920	100	140	20	1.1	0.6	107	133	1	0.64	0.35
7571	100	150	24	1.5	1	109	141	1.5	0.99	0.54
7921	105	145	20	1.1	0.6	112	138	1	0.66	0.36
7922	110	150	20	1.1	0.6	117	143	1	0.69	0.37

About us
ZheJiang REET BEARING.CO.,LTD is a professional bearing manufacturer and exporter.
We have a wealth of technical.All producing processes are finished in our manufactory. As an ISO9001:2000 certified manufacturer,we will solve various problems in application and use of our bearings.
Our company is an authorized distributor of FAG, INA, CZPT and other world brand bearings.Our company has the right to self-export bearings and launches its own brand RTB.
Our bearing had been exported to more than 20 countries worldwide and are warmly welcomed.
We are looking forward to your order.
FAQ

1.Is the company a production factory or a trading company?
ZheJiang REET BEARING CO.,LTD is a manufacturing enterprise focusing on bearings and integrating research, production and sales.

2.How many the MOQ of your company?
Depending on the size of the bearing, the MOQ is variable, if you are interested, you can contact me for a quote.

3.Does the company accept OEM or customized bearings?
In addition to standard products, we also supply non-standard and modified standard products for special application. Meanwhile, we provide OEM service.

4.Can the company provide free samples?
We can provide samples for free. You only need to provide shipping.

5.What are the company’s delivery terms?
We can accept EXW,FOB,CFR,CIF,etc. You can choose the 1 which is the most convenient cost effective for you.

What is a bushing?

A bushing is a cylindrical lining made of a flexible material inside a metal housing. The inner squeeze tube of the bushing helps prevent it from being squeezed by the clip. The material also reduces friction and isolates vibration and noise, while improving performance. This article discusses some of the most common uses for bushings. In this article, we’ll discuss the most important reasons to choose a bushing for your transmission.
DESCRIPTION Anti-friction cylindrical lining

A bushing is a bearing that minimizes friction and wear within the bore. It is also used as a housing for shafts, pins, hinges or other types of objects. It takes its name from the Middle Dutch word shrub, which means “box”. It is also homologous to the second element of blunderbuss. Here’s how to identify bushings and how to use them.
bushing

Vibration isolation

Vibration mounts are required for inertial guidance and navigation systems, radar components, and engine accessories. Bushings isolate vibration and provide a more robust design in these applications. Bushings help eliminate vibration-related operational challenges and help protect expensive equipment from damage. Below are several types of vibrating mounts and the differences between them. Each type has unique uses and applications, and the type you choose will depend on the nature of the components and the environment.
Vibration isolation is an important safety feature of many modern machines and instruments. Used to reduce the dynamic consumption that an object suffers at runtime. Instead, it protects equipment and structures from amplitude-related damage. Bushings insulate objects from vibration by reducing the amount of dynamic action transferred from the object to the support structure. Bushings are a popular choice for vibration equipment manufacturers.
Vibration isolation is important in many industrial applications. Vibration can wreak havoc on electronic and mechanical equipment. The forces exerted by vibration can reduce the life expectancy of equipment, leading to premature failure. The cost of isolation depends on the weight of the object being isolated. Most isolators have minimum damping in the isolation region and maximum damping at natural frequencies. In addition, the cost of installation, transportation and maintenance is usually included in the cost.
In addition to providing shock and vibration isolation, bushings help stabilize components by absorbing shock. These devices may need to be replaced in the long run, and your machine design may dictate whether you need to buy more than one. Bushings are an important part of your equipment, so don’t skimp on quality when choosing a vibration isolation mount. You won’t regret it. They won’t break your budget, but will keep your equipment safe.
bushing

reduce noise

A properly positioned tree will block the view between the noise source and your house. Make sure the tree is taller than your house to effectively reduce noise. Also, make sure the sprocket and axle are properly aligned. The less noise they make, the better. If you have a noisy neighbor, you may want to consider installing a bushing at the front of the house to block the noise.
While it’s possible to replace the bushing yourself, it’s best to make sure you follow some basic procedures first. Park your car on level ground and apply the brakes before removing the hood. Check that the wheels move freely. Remember to wear gloves and goggles, and don’t cut yourself with sharp objects when changing bushings. If you can’t see under the hood, try opening the hood to allow more light to reach the engine area.
SuperPro bushings are designed to reduce noise and vibration in the automotive industry. They are a popular choice for aftermarket bushing manufacturers. While OE rubber bushings are soft and quiet, these polyurethane bushings are specifically designed to eliminate these noise issues. By determining the diameter of your vehicle’s anti-roll bars, you can choose the right bushing for your vehicle. You’ll be glad you did!
Damaged bushings can cause the stabilizer bar to become unstable. This, in turn, can cause the steering components to misalign, creating a loud ding. Worn bushings can also cause the wheel to squeak as it moves. If they’re worn, you’ll hear squeaks when cornering. You may even hear these noises when you are turning or changing lanes.
bushing

a bearing

A bushing is a component that provides a bearing surface for the forces acting axially on the shaft. A typical example of a thrust bearing is a propeller shaft. The bushing can be a separate part or an integral part of the machine. Typically, bushings are replaceable, while integral bearings are permanent and should not be replaced unless worn or damaged. Bushings are most commonly used in machinery, where they allow relative movement between components.
The bushing is usually an integral unit, while the bearing may have several parts. Simple bushings can be made of brass, bronze or steel. It is often integrated into precision machined parts and helps reduce friction and wear. Typically, bushings are made of brass or bronze, but other materials can also be used. Different designs have different applications, so you should understand what your application requires before purchasing a sleeve.
The most common uses of plain bearings are in critical applications, including turbines and compressors. They are also commonly used in low-speed shafting, including propeller shafts and rudders. These bearings are very economical and suitable for intermittent and linear motion. However, if your application does not require continuous lubrication, a plain bearing may not be required.
Another popular use for sleeves is in food processing. These bearings can be made from a variety of materials, including stainless steel and plastic. Plastic bearings are more cost-effective than metal and are an excellent choice for high-speed applications. These materials are also resistant to corrosion and wear. However, despite their high cost, they can be made from a variety of materials. However, in most cases, the materials used for plain bearings are aluminum nickel, phosphorus and silicon.