China Best Sales FGR30R A1A2 A2A7 Steel Roller Freewheel WIth Ball Bearings with Free Design Custom

Type: Other Type
Model Number: FGR30R A1A2 A2A7
Bore Size: 12 – 150 mm
Outside Diameter: 62 – 400 mm
Precision Rating: P6
Seals Type: Sealed
Product name: FGR30R A1A2 A2A7 Steel Roller Freewheel WIth Ball Bearings
Material: GCr15
Outer diameter: 100 mm
Bore size: 30 mm
Width: 68 mm
Norminal Torque: 500 Nm
Weight: 3.9 kg
Port: ZheJiang ;HangZhou
Package: Singer box or as your requirements
Application: Gearbox,reducer,other machines
Packaging Details: singer box or as your requirements
Port: ZheJiang ;HangZhou

FGR30R A1A2 A2A7 Steel Roller Freewheel WIth Ball Bearings
Complete Freewheels FGR … R A1A2 and FGR … R A2A7
with mounting flange
with rollers

Data Sheet

Item
FGR…R A1A2 A2A7

Material
GCr15

Outer Diameter
100 mm

Bore Size
30 mm

Width
68 mm

Norminal Torque
500 Nm

Weight
3.9 kg

Lubrication
Specified Oil

Precision Rate
P6

Application
Gearbox,reducer,other machines

Features
Complete Freewheels FGR … R A1A2 and FGR … R A2A7 with mounting flange are sealed
roller freewheels with ball bearings. They are oil lubricated. The freewheels FGR … R A1A2 and FGR … RA2A7 are used as:
Backstops
Overrunning Clutches
InHangZhou Freewheels
Nominal torques up to 68 000 Nm. Bores up to 150 mm.

Different Freewheel Sizes Of FGR…R A1A2 A2A7 You May Choose

Freewheel
Size
Type
Lever
arm
and
cover
combination
Nominal
Max. speed
Bore d
D

F
K
L
N
N1
R
T
Z
Weight

Torque
mm
mm

mm
mm
mm
mm
mm
mm
mm
kg

MN

Nm

Outer
ring
freewheels
min-1

Inner ring
freewheels
min-1

FGR 12
R
A1A2
A2A7
55
2 500
5400
12
62
85
1
3
42
10
10
42
72
3
1.2

FGR 15
R
A1A2
A2A7
130
2 200
4800
15
68
92
1
3
52
11
11
47
78
3
1.6

FGR 20
R
A1A2
A2A7
180
1 900
4100
20
75
98
1
3
57
10.5
10.5
55
85
4
1.9

FGR 25
R
A1A2
A2A7
290
1 550
3350
25
90
118
1
3
60
11.5
11.5
68
104
4
2.9

FGR 30
R
A1A2
A2A7
500
1 400
3050
30
100
128
1
3
68
11.5
11.5
75
114
6
3.9

FGR 35
R
A1A2
A2A7
730
1 300
2850
35
110
140
1
3.5
74
13.5
13
80
124
6
4.9

FGR 40
R
A1A2
A2A7
1 000
1 150
2500
40
125
160
1
3.5
86
15.5
15
90
142
6
7.5

FGR 45
R
A1A2
A2A7
1 150
1 100
2400
45
130
165
1
3.5
86
15.5
15
95
146
8
7.8

FGR 50
R
A1A2
A2A7
2 100
950
2050
50
150
185
1
4
94
14
13
110
166
8
10.8

FGR 55
R
A1A2
A2A7
2 600
900
1900
55
160
204
1
4
104
18
17
115
182
8
14

FGR 60
R
A1A2
A2A7
3 500
800
1800
60
170
214
1
4
114
17
16
125
192
10
16.8

FGR 70
R
A1A2
A2A7
6 000
700
1600
70
190
234
1
4
134
18.5
17.5
140
212
10
20.8

FGR 80
R
A1A2
A2A7
6 800
600
1400
80
210
254
1
4
144
21
20
160
232
10
27

FGR 90
R
A1A2
A2A7
11 000
500
1300
90
230
278
1
4.5
158
20.5
19
180
254
10
40

FGR 100
R
A1A2
A2A7
20 000
350
1100
100
270
335
1
5
182
30
28
210
305
10
67

FGR 130
R
A1A2
A2A7
31 000
250
900
130
310
380
1
5
212
29
27
240
345
12
94

FGR 150
R
A1A2
A2A7
68 000
200
700
150
400
485
1
5
246
32
30
310
445
12
187

Application Example
Complete Freewheel FGR 50 R A1A2, used in a hydraulically released, spring actuated multidisc brake for winch drives. When the load is lifted, 72mm high power high torque 24v dc geared electric motors 50 rpm for solar cleaning machine the multiple-disk brake is closed and the inner ring is freewheeling. At a standstill, the freewheel functions as a backstop. The load is held by the brake and the locked freewheel. When lowering, the brake is releasedwith control and the load is lowered via the locked freewheel. By using the freewheel, the hydraulic
control could be designed in an simpler and more cost-effective manner.

Mounting
Basic Freewheel, flange, cover, seals and screws are supplied loose. These must be assembled by the customer with regard to the required freewheeling direction into the Complete Freewheel. Prior to commissioning, the freewheel must be filled with oil of the specified quality. Upon request, assembledComplete Freewheels already oil-filled can be supplied. With Complete Freewheels FGR … R A1A2, the customer attachment part is centered on the external diameter D and bolted on to the face via flange A1.
With Complete Freewheels FGR … R A2A7, the customer attachment part is centered on the
pilot diameter R and bolted on to the face via flange A7. Hence, Complete Freewheels FGR …
SF A2A7 are particularly suitable for attaching smaller and narrower parts (sprockets, Damper Square Hole Single Brass Bushing gear
wheels etc.). The tolerance of the shaft must be ISO h6 or j6 and the tolerance of the pilot diameter D or R of the attachment part must be ISO H7 or J7.

Example for ordering
Freewheel size FGR 25, standard type with flange A1 and cover A2:
• FGR 25 R A1A2
Basic Freewheel, flange, cover, seals and screws are supplied loose provided nothing else is
stated in the order.
If assembled, oil-filled, Complete Freewheels are to be supplied, this must be specified in the
order. When ordering, please also specify the free wheeling direction of the inner ring when
view ed in direction X:
• counter clockwise free or
• clockwise free
Detailed Image
Certificate
Cooperation
Company InformationCHangZhou CZPT Precision Machinery Co., Ltd(HangZhou Tianniu Clutch Factory)is a manufacturer specialized in Producing Various cam clutch, 1 way bearing, 1 way clutch, Professional High Quality Japan Standard HTD Timing Pulley Transmission Aluminum Timing Pulley backstop clutch, overrunning clutch and other bearings with high technology.
We are following “Best Quality, Best Price, Fast Delivery, Best Serves” to make all of our old and new customers satisfied.
Our Advantages1. Advanced producing equipment.2. Strict requirement for the raw material3. Complete&perfect process flow4. Good quality of each batch of the product5. Different grades of price for different quality
Production&Text
PackingShipping
FAQQ: Why do we choose your company?
A: We always insist quality first. We have our bearing factory, therefore we have advantage in quality control and price of 1 way clutch bearing.

Q:What is the delivery time?
A: Most of the bearing we have stock. For small quantity, we will arrange delivery within 15 days.

Q: What is your payment term?
A: Our payment term include L/C, T/T, Western Union, Paypal etc.

Q: Can you send bearing samples first?
A: Yes, we can send bearing samples of 1 way clutch bearing to check quality first.
If you have any needs, LSG Series harmonic drive transmission gearbox for Energy exploitation pls contact me at any time!

The Parts of a Gearbox

There are many parts of a Gearbox, and this article will help you understand its functions and components. Learn about its maintenance and proper care, and you’ll be on your way to repairing your car. The complexity of a Gearbox also makes it easy to make mistakes. Learn about its functions and components so that you’ll be able to make the best choices possible. Read on to learn more. Then, get your car ready for winter!
gearbox

Components

Gearboxes are fully integrated mechanical components that consist of a series of gears. They also contain shafts, bearings, and a flange to mount a motor. The terms gearhead and gearbox are not often used interchangeably in the motion industry, but they are often synonymous. Gearheads are open gearing assemblies that are installed in a machine frame. Some newer designs, such as battery-powered mobile units, require tighter integration.
The power losses in a gearbox can be divided into no-load and load-dependent losses. The no-load losses originate in the gear pair and the bearings and are proportional to the ratio of shaft speed and torque. The latter is a function of the coefficient of friction and speed. The no-load losses are the most serious, since they represent the largest proportion of the total loss. This is because they increase with speed.
Temperature measurement is another important preventive maintenance practice. The heat generated by the gearbox can damage components. High-temperature oil degrades quickly at high temperatures, which is why the sump oil temperature should be monitored periodically. The maximum temperature for R&O mineral oils is 93degC. However, if the sump oil temperature is more than 200degF, it can cause seal damage, gear and bearing wear, and premature failure of the gearbox.
Regardless of its size, the gearbox is a crucial part of a car’s drivetrain. Whether the car is a sports car, a luxury car, or a farm tractor, the gearbox is an essential component of the vehicle. There are two main types of gearbox: standard and precision. Each has its own advantages and disadvantages. The most important consideration when selecting a gearbox is the torque output.
The main shaft and the clutch shaft are the two major components of a gearbox. The main shaft runs at engine speed and the countershaft may be at a lower speed. In addition to the main shaft, the clutch shaft has a bearing. The gear ratio determines the amount of torque that can be transferred between the countershaft and the main shaft. The drive shaft also has another name: the propeller shaft.
The gears, shafts, and hub/shaft connection are designed according to endurance design standards. Depending on the application, each component must be able to withstand the normal stresses that the system will experience. Oftentimes, the minimum speed range is ten to twenty m/s. However, this range can differ between different transmissions. Generally, the gears and shafts in a gearbox should have an endurance limit that is less than that limit.
The bearings in a gearbox are considered wear parts. While they should be replaced when they wear down, they can be kept in service much longer than their intended L10 life. Using predictive maintenance, manufacturers can determine when to replace the bearing before it damages the gears and other components. For a gearbox to function properly, it must have all the components listed above. And the clutch, which enables the transmission of torque, is considered the most important component.
gearbox

Functions

A gearbox is a fully integrated mechanical component that consists of mating gears. It is enclosed in a housing that houses the shafts, bearings, and flange for motor mounting. The purpose of a gearbox is to increase torque and change the speed of an engine by connecting the two rotating shafts together. A gearbox is generally made up of multiple gears that are linked together using couplings, belts, chains, or hollow shaft connections. When power and torque are held constant, speed and torque are inversely proportional. The speed of a gearbox is determined by the ratio of the gears that are engaged to transmit power.
The gear ratios in a gearbox are the number of steps a motor can take to convert torque into horsepower. The amount of torque required at the wheels depends on the operating conditions. A vehicle needs more torque than its peak torque when it is moving from a standstill. Therefore, the first gear ratio is used to increase torque and move the vehicle forward. To move up a gradient, more torque is required. To maintain momentum, the intermediate gear ratio is used.
As metal-to-metal contact is a common cause of gearbox failure, it is essential to monitor the condition of these components closely. The main focus of the proactive series of tests is abnormal wear and contamination, while the preventative tests focus on oil condition and additive depletion. The AN and ferrous density tests are exceptions to this rule, but they are used more for detecting abnormal additive depletion. In addition, lubrication is critical to the efficiency of gearboxes.
gearbox

Maintenance

Daily maintenance is a critical aspect of the life cycle of a gearbox. During maintenance, you must inspect all gearbox connection parts. Any loose or damaged connection part should be tightened immediately. Oil can be tested using an infrared thermometer and particle counters, spectrometric analysis, or ferrography. You should check for excessive wear and tear, cracks, and oil leaks. If any of these components fail, you should replace them as soon as possible.
Proper analysis of failure patterns is a necessary part of any preventative maintenance program. This analysis will help identify the root cause of gearbox failures, as well as plan for future preventative maintenance. By properly planning preventative maintenance, you can avoid the expense and inconvenience of repairing or replacing a gearbox prematurely. You can even outsource gearbox maintenance to a company whose experts are knowledgeable in this field. The results of the analysis will help you create a more effective preventative maintenance program.
It is important to check the condition of the gearbox oil periodically. The oil should be changed according to its temperature and the hours of operation. The temperature is a significant determinant of the frequency of oil changes. Higher temperatures require more frequent changes, and the level of protection from moisture and water reduces by 75%. At elevated temperatures, the oil’s molecular structure breaks down more quickly, inhibiting the formation of a protective film.
Fortunately, the gear industry has developed innovative technologies and services that can help plant operators reduce their downtime and ensure optimal performance from their industrial gears. Here are 10 steps to ensure that your gearbox continues to serve its purpose. When you are preparing for maintenance, always keep in mind the following tips:
Regular vibration analysis is a vital part of gearbox maintenance. Increased vibration signals impending problems. Visually inspect the internal gears for signs of spiraling and pitting. You can use engineers’ blue to check the contact pattern of gear teeth. If there is a misalignment, bearings or housings are worn and need replacement. Also make sure the breathers remain clean. In dirty applications, this is more difficult to do.
Proper lubrication is another key factor in the life of gearboxes. Proper lubrication prevents failure. The oil must be free of foreign materials and have the proper amount of flow. Proper lubricant selection depends on the type of gear, reduction ratio, and input power. In addition to oil level, the lubricant must be regulated for the size and shape of gears. If not, the lubricant should be changed.
Lack of proper lubrication reduces the strength of other gears. Improper maintenance reduces the life of the transmission. Whether the transmission is overloaded or undersized, excessive vibration can damage the gear. If it is not properly lubricated, it can be damaged beyond repair. Then, the need for replacement gears may arise. However, it is not a time to waste a lot of money and time on repairs.

China Best Sales FGR30R A1A2 A2A7 Steel Roller Freewheel WIth Ball Bearings  with Free Design CustomChina Best Sales FGR30R A1A2 A2A7 Steel Roller Freewheel WIth Ball Bearings  with Free Design Custom

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