Product Description

Rolamento Bearing Ball bearing pulley roller 608ZZ deep groove ball bearing with chrome steel

Bearing parameters:
 

CHROME STEEL*				Dimensions in mm unless otherwise specified
Bore	O.D.	Width	Open Bearing	Shielded Bearing	Sealed Bearing	Basic Load Ratings
						KN
			HNS	HNS	HNS	dynamic	static
			Reference	Reference	Reference	C	Co
20	42	12	6004	6004ZZ	6004-2RS	7.22	4.46
	47	14	6204	6204ZZ	6204-2RS	12.7	6.5
	52	15	6304	6304ZZ	6304-2RS	15.9	7.8
25	47	12	6005	6005ZZ	6005-2RS	10.1	5.85
	52	15	6205	6205ZZ	6205-2RS	14	7.8
	62	17	6305	6305ZZ	6305-2RS	22.5	11.6
	80	21	6405	6405ZZ	6405-2RS	36.1	19.4
30	55	13	6006	6006ZZ	6006-2RS	10.2	6.91
	62	16	6206	6206ZZ	6206-2RS	19.5	11.2
	72	19	6306	6306ZZ	6306-2RS	28.1	16
	90	23	6406	6406ZZ	6406-2RS	43.4	23.9
35	62	14	6007	6007ZZ	6007-2RS	16	10.3
	72	17	6207	6207ZZ	6207-2RS	25.5	15.3
	80	21	6307	6307ZZ	6307-2RS	33.2	19
	100	25	6407	6407ZZ	6407-2RS	55	31
40	68	15	6008	6008ZZ	6008-2RS	13	11.5
	80	18	6208	6208ZZ	6208-2RS	29.8	18
	90	23	6308	6308ZZ	6308-2RS	39.8	23.3
	110	27	6408	6408ZZ	6408-2RS	65.5	37.5
45	75	16	6009	6009ZZ	6009-2RS	21	14.9
	85	19	6209	6209ZZ	6209-2RS	32.2	21
	100	25	6309	6309ZZ	6309-2RS	51.1	30.5
	120	29	6409	6409ZZ	6409-2RS	77.5	45.5
50	80	16	6571	6571ZZ	6571-2RS	22	16.2
	90	20	6210	6210ZZ	6210-2RS	34	22.5
	110	27	6310	6310ZZ	6310-2RS	59.9	36.9
	130	31	6410	6410ZZ	6410-2RS	92.2	55.2
55	90	18	6011	6011ZZ	6011-2RS	30.4	22
	100	21	6211	6211ZZ	6211-2RS	43.3	28.1
	120	29	6311	6311ZZ	6311-2RS	71.5	44.6
	140	33	6411	6411ZZ	6411-2RS	100	62.5
60	95	18	6012	6012ZZ	6012-2RS	30.7	22.7
	110	22	6212	6212ZZ	6212-2RS	46.1	31.5
	130	31	6312	6312ZZ	6312-2RS	79.4	50.4
	150	35	6412	6412ZZ	6412-2RS	109	70
65	100	18	6013	6013ZZ	6013-2RS	32.1	24.9
	120	23	6213	6213ZZ	6213-2RS	54.2	39.3
	140	33	6313	6313ZZ	6313-2RS	89.5	59.7
	160	37	6413	6413ZZ	6413-2RS	118	78.5
70	110	20	6014	6014ZZ	6014-2RS	38.6	30.6
	125	24	6214	6214ZZ	6214-2RS	58.9	43.6
	150	35	6314	6314ZZ	6314-2RS	101	66
	180	42	6414	6414ZZ	6414-2RS	140	99.5
75	115	20	6015	6015ZZ	6015-2RS	31	33.1
	130	25	6215	6215ZZ	6215-2RS	64.3	47.5
	160	37	6315	6315ZZ	6315-2RS	111	74.2
	190	45	6415	6415ZZ	6415-2RS	154	115
80	125	22	6016	6016ZZ	6016-2RS	47.5	39.8
	140	26	6216	6216ZZ	6216-2RS	68.1	53.3
	170	39	6316	6316ZZ	6316-2RS	120	83.9
	200	48	6416	6416ZZ	6416-2RS	163	125
85	130	22	6017	6017ZZ	6017-2RS	50.8	42.8
	150	28	6217	6217ZZ	6217-2RS	83.2	64
	180	41	6317	6317ZZ	6317-2RS	132	96.5
	210	52	6417	6417ZZ	6417-2RS	175	138
90	140	24	6018	6018ZZ	6018-2RS	58	49.8
	160	30	6218	6218ZZ	6218-2RS	92.7	71.3
	190	43	6318	6318ZZ	6318-2RS	145	108
	225	54	6418	6418ZZ	6418-2RS	192	158
95	145	24	6019	6019ZZ	6019-2RS	57.8	50
	170	32	6219	6219ZZ	6219-2RS	105	79.1
	200	45	6319	6319ZZ	6319-2RS	157	122
100	150	24	6571	6571ZZ	6571-2RS	64.5	56.2
	180	34	6220	6220ZZ	6220-2RS	118	88.4
	215	47	6320	6320ZZ	6320-2RS	173	140
105	160	26	6571	6571ZZ	6571-2RS	71.8	63.2
	190	36	6221	6221ZZ	6221-2RS	126	98.8
	225	49	6321	6321ZZ	6321-2RS	173	145
110	170	28	6571	6571ZZ	6571-2RS	81.9	72.9
	200	38	6222	6222ZZ	6222-2RS	136	112
	240	50	6322	6322ZZ	6322-2RS	193	171
120	180	28	6571	6571ZZ	6571-2RS	88.7	79.7
	215	40	6224	6224ZZ	6224-2RS	139	112
	260	55	6324	6324ZZ	6324-2RS	217	196
130	200	33	6026	6026ZZ	6026-2RS	105	96.8
	230	40	6226	6226ZZ	6226-2RS	148	125
	280	58	6326	6326ZZ	6326-2RS	218	205
140	210	33	6571	6571ZZ	6571-2RS	116	108
	250	42	6228	6228ZZ	6228-2RS	179	167
	300	62	6328	6328ZZ	6328-2RS	275	272
150	225	35	6030	6030ZZ	6030-2RS	132	125
	270	45	6230	6230ZZ	6230-2RS	190	183
160	240	38	6032	6032ZZ	6032-2RS	145	138
	290	48	6232	6232ZZ	6232-2RS	215	218

About Deep Groove Ball Cearing

• 6000 Series – Extra Light Ball Bearings – Ideal for limited space applications
• 6200 Series – Light Series Ball Bearings – Balanced between space and load capacity
• 6300 Series – Medium Series Ball Bearings – Ideal for heavier load capacity applications

Deep groove ball bearing component:

Rich bearings in stock:

Application

Package:
A. Plastic paper + kraft paper + outer carton + Nylon bag
B. Tube package + outer carton + Nylon bag
C. Single box + outer carton + pallets
D. According to your requirement

For more information, contact us directly pls.
 

Types of Pulley Systems

If you’ve ever tried to lift a pail of water, you’ve probably seen the pulley system in action. Pulleys are extremely useful tools for everything from household appliances to heavy industrial machinery. Different kinds of pulley systems are classified according to their amount of motion. Some types have fixed axes, while others have movable axes. Some common uses of pulleys are listed below.

two-wheel pulley

Pulleys are complex structures with thin-walled and thick-walled sections. Therefore, they require specific forging designs. The tool concept for the production of pulleys is shown in Figure 11.6. Using the generated tool, the pulley can be forged into different shapes. Process parameters must be optimized based on material, surface quality and metallographic analysis.
Pulleys are wheels mounted on shafts. Its main function is to assist the movement of heavy objects. A single-wheel pulley can change the direction of the force, enabling a person to pull heavy objects. A dual-wheel pulley distributes the weight evenly across both wheels, allowing it to lift the same weight with half the effort.
The mechanical advantage of a two-wheel pulley is that it reduces the force required by about half. A 100 kg object can be lifted with a force of 500 Newtons. The mechanical advantage of a pulley with 2 wheels is twice that of a single-wheel pulley. However, care should always be taken when using two-wheel pulleys.
Two-wheel pulleys can be fixed or movable. A single wheel pulley can only change direction when the load is placed on 1 side of the wheel. Two-wheel pulleys change direction when lifting a load, requiring half the force. Live wheels are better for heavier loads. The movable pulley can be adjusted with the load, and the load distribution is more uniform. Active pulleys can be used with single-rope or two-wheel pulleys.
A pulley system with 2 wheels is called a compound pulley. This type of pulley system has a complex design that reduces the force required to move the load. Two-wheel pulleys are common in industrial and construction environments. These pulleys require a lot of space to install and operate. Additionally, they require regular maintenance to avoid wear and tear.

composite pulley

Compound pulleys are used to increase lift. One fixed pulley is attached to the overhead while the other fixed pulley is attached to the load. This setup minimizes the force required to lift weights, allowing you to lift heavier weights. There are several different types of compound pulleys, each with their own strengths and weaknesses. Below are some examples of their application. Some of the most common are listed below.
Composite pulleys are usually made from 2 different types of wheels. The first 1 is fixed and secure. The second type, movable, is attached to something that moves. The third type, compound pulley, is a combination of a movable pulley and a fixed pulley. Below are 3 types of comparisons. The table below compares them and explains their advantages and disadvantages. Composite pulleys are the most versatile of the three.
The number of sheave segments that make up the composite sheave system increases the mechanical advantage of the system. Each segment adds 1 percent of the total weight, and the ideal mechanical advantage is 2 or more. So a compound pulley with 4 segments will lift three-quarters of the weight. This is because the force applied to the load is multiplied by four. The result is a better boost.
While composite pulleys have many uses, they are most commonly used on larger sailboats. These pulleys work by changing the direction of the control wire or by changing the mechanical force of the rope. They also make it easier to lift heavier objects. Composite pulleys are more expensive than simple pulleys, so consider your needs before buying. The advantages of composite pulleys outweigh the disadvantages.
A basic compound pulley is a device consisting of 2 wheels with fixed points. Ropes are looped around the wheels and are used to lift heavy objects. When you pull on the rope, the rope pulls the 2 wheels closer together. Serious injury could result if this equipment is installed incorrectly. Never exceed the lifting capacity of pulleys and other safety devices that may be attached. When using pulleys, be sure to follow the instructions on the mounting hardware to avoid accidents.

Fixed pulley

Moving pulleys and fixed pulleys are different types of mechanical devices. The movable pulley moves with the object it is used to lift. Because it attaches to the object it is used to lift, it is great for lifting heavy objects. These devices are used in construction cranes and multipurpose elevators. There are many different types of pulleys, and their uses vary widely. Below is a brief overview of these devices.
The simplest pulley set consists of a wheel that is mounted on the ceiling. A rope is attached at 1 end and a person pulls at the other end. The rope is strong enough to keep a person standing while lifting weights. It takes about 200 Newtons of force to lift a 20 kg weight. In contrast, a movable pulley requires a force of 1000N, which makes it easier to lift heavy objects.
Fixed pulleys are another common lifting device. They work by using ropes and slotted wheels attached to the object to be lifted. These devices are convenient to use because they are easy to set up. Moving the scroll wheel doesn’t change direction, so it’s easier to move objects without putting too much pressure on the back. Unlike a moving rope, a moving object will feel much lighter than its actual weight.
Fixed pulleys are widely used in construction and agriculture. Fixed pulleys can help lift supplies and equipment from scaffolding. These items are often heavy and difficult to lift directly. Fixed pulleys at the top of the scaffolding will allow people at the bottom to lift objects more easily. As a result, those at the bottom are less stressed and more productive. Fixed pulleys will save time and money compared to moving ropes.
Composite pulleys combine fixed and movable pulleys to increase the power of movement. A compound pulley system uses both types of pulleys and enables a person to change direction by reversing the direction of a force. The compound pulley system will save time and effort as the user only has to put in half the effort. Unlike moving ropes, composite pulleys are easy to adjust and are the most versatile system on the market.

Blocks and tackles

A pulley block system is a rope hoist that uses a set of pulleys mounted on a frame. The blocks are arranged in a row, and the threaded rope is called a pulley. Pulley systems help amplify the tension of the rope and are common in sailboats, cranes and drilling rigs. However, these systems are not without drawbacks.
The pulley pulley system can be equipped with as many pulleys as required. This method allows a person to lift heavy objects. The pulley block system can contain the required number of pulleys to achieve the desired height. The main disadvantage of pulley systems is that they create a lot of friction on the pulley shaft.
Pulley systems use 2 types of pulleys. A movable pulley is attached to the load, allowing it to move with the load. On the other hand, fixed pulleys are fixed on fixed points. Therefore, a pulley block system may consist of multiple pulleys mounted on a shaft. For example, the 2 pulleys attached to the shaft each have their own mechanical advantages.
Several types of tackle systems have been developed in recent centuries. The most basic is the gun mount, which uses 2 pulleys to lift the load. The mechanical advantage of such a system is 2 to 3 times the distance required by the rope to move the load. Depending on how they’re assembled, the system can lift 400 pounds with 80 or 100 pounds of force.
Another type of pulley is a combination of multiple wheels. The wheels on pulleys are supported by a housing or frame. The chain is attached to the pulley, and the rope is pulled to lift it. A combined pulley system will have multiple wheels. As the load increases, the force on the pulley also increases. This approach is generally more expensive than intercept and intercept systems.