Type: Roller
Structure: cylindrical
Applicable Industries: Manufacturing Plant, Machinery Repair Shops, Farms
Model Number: RN309M
Precision Rating: P6
Seals Type: OPEN
Number of Row: Single row
Product Name: CZPT reducer Roller Bearing RN309M
Size: 45 x 86.5 x 25 mm
Cage: Brass cage
Application: Gearbox / Reducer
Feature: without outer ring
Row: Single Row
Material: Chrome steel
HS CODE: 8482500090
Service: OEM service available
Package: Single box packed
Packaging Details: packing items :Plastic bag and Paper box and Carton box and Wooden pallet Customer’s special requests are acceptable

NTN Cylindrical Roller Bearings Cardan shaft reducer Roller Bearing RN309M RN 309M RN 309

NTN cylindrical roller bearing with a removable inner ring is suitable for applications that support high radial loads. This roller bearing has a CN (normal) radial clearance for applications and operating conditions with normal shaft and housing tolerances where thermal expansion is not a factor. This is a single row roller bearing that supports high radial loads with low friction. A removable inner ring in the open bearing allows application of lubrication. This roller bearing is measured in metric units for industry cross-matching and parts consistency.

Bearing Model
RN309M RN 309M RN309

Bearing type
Cylindrical roller bearing

Specification
45 x 86.5 x 25 mm

Weight
0.562 KG/PC

Material
GCR-15

Cage
Brass cage

Application
Reduction gears box/ reducer

H.S CODE
8482500090

NTN Reducer roller bearings Cylindrical roller bearings models reference :

Model No.
Dimension(mm)
Mass (kg)

15UZ6157129T2
15*40.5*28
0.3

610 21YRX
15*40*28
0.2

616 17-25YRX2
35*86*50
1.5

15UZ21006T2 PX1
15*40.5*28
0.15

15UZ21011T2 PX1
15*40.5*28
0.35

15UZ2157129T2 PX1
15*40.5*28
0.35

19UZS208T2
19*33.9*11
0.03

20UZS80
20*40*14
0.08

20UZS80T2
20*40*14
0.08

22UZ21111T2PX1
22*58*32
0.6

22UZ8311
22*54*32
0.5

22UZ831729
22*58*32
0.5

22UZ831729T2
22*58*32
0.5

25UZ417
25*68.5*42
0.8

25UZ459
25*68.5*42
0.8

25UZ487
25*68.5*42
0.7

25UZ8513-17T2
25*68.5*42
0.6

25UZ854359
25*68.5*42
0.7

25UZ8587
25*68.5*42
0.9

35UZS84
35*68.2*21
0.32

85UZS89T2
85*151*34
2.3

85UZS89V
85*151*34
2.3

UZ217G1P6
85*151*34
3

UZ217VP6
85*151*34
3

UZ328G1P6
140*300*62
14

E-85UZS220
85*158*36
3

RN204
20*40*14
0.08

RN205
25*45*15
0.09

RN205M
25*45*15
0.1

RN206
30*53.5*16
0.12

RN206M
30*53.5*16
0.144

RN219M
95*151.5*32
2.3

RN228
140*221*42
6

RN305
25*62*17
0.25

RN306
30*62*19
0.4

RN307
35*68.2*21
0.3

RN307M
35*68.2*21
0.3

RN312M
60*113*31
1.3

6162935YSX
35*86*50
1.7

61659YSX
35*86*50
1.7

617YSX
60*113*31
0.985

618YSX
65*121*33
1.6

619YSX
85*151*34
3.5

15UZE60959T2
15*40.5*14
0.3

15UZE6092529T2
15*40.5*14
0.2

15UZ21043T2 PX1
15*40.5*28
0.2

22UZ2111115T2 PX1
22*58*32
0.6

22UZ221143T2 PX1
22*58*32
0.6

22UZ2112529T2 PX1
22*58*32
0.4

22UZ2117187T2 PX1
22*58*32
0.4

Product Photos

Packaging & ShippingBearing packages :
1) Inner Plastic Bag+ Paper Box + Carton(+Pallet);
2) Small sizes:Plastic Tube + Carton
3) Big sizes:Wooden Case

Application IndustryWidely used in metallurgy ,mining ,petroleum,chemical,coal,cement , 220V 380V Speed Reduction AC Induction Electric Motor and Helical Reducer Gear Box paper,windpower,heavy machinery ,enginnering machinery,port machinery and other industries.
a. Auto wheel hub, Auto engine, Auto axle
b. Agricultural machinery, Rotary plow bearings, Tractor, Water pump, HangZhou Speedway Light Duty Truck Stub Shaft 2-53-501 Oil engine harvester, Seeder, Tricycle, Farm vehicle, Cultivator
c.Engineering machinery, Excavator, Dozer, Paver, Loader, Hoisting machinery, Stern Drive ZT150A Engine Propeller Stainless Steel Brand New Max Angel Diesel Motor Power Face Board Gear Blades propeller Piling soil machinery
d. Steel mill machinery, Oil field machinery, Motorship machinery
e. Hardware tool, Electric power tool, Household appliance industry
f. Electronic toys, Fitness equipment, Building machinery
g. Series Of Pumps, Antiseptic Pump, Water pump, Submersible pump, Hot Sale New Design Customized 06B-2 duplex roller chain Sewage pump

Hot Sale Series
FAQ
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Types of Gearboxes Used in Wind Turbines

Many manufacturers of wind turbines have chosen different solutions for the drive train of the turbines. Most prefer gearboxes because of their durability. These have several design features that make them well suited to shocks, stresses and wear. Regardless of the type of gearbox used, continuous maintenance and monitoring can extend the lifespan of these machines. Performing these tasks regularly can help detect and resolve any problems before they become serious. Here are some of the problems associated with gearboxes.

Coaxial helical gearbox

The R series helical inline gearbox is a high-quality speed reducer for heavy-duty industrial applications. These units are designed with increased power density in mind and are equipped with various cooling options. High-grade seals and lubricants help to increase efficiency and minimize thermal loading. They are ATEX-compliant. Their reversible modules are an excellent choice for high-speed applications, such as compressors, compressor blowers, and pumps.
The normal module set of helical gearbox is manufactured using the same tooth-cutting techniques as spur gears. This allows the production of higher-quality, more economical, and more compact helical gears. Although the performance of helical gears is lower than spur gears, they are durable and capable of transferring motion and power between two shafts. And because they are able to handle a much greater load, they are preferred for heavy-duty applications.
The main tooth form of a helical gearbox presents fixed velocity ratios, even if the center gap is not completely set. This requirement is sometimes referred to as the fundamental rule of gearing. A helical gearbox is similar to a set of paper spur gears, with the exception that the sections must stagger in opposite directions. There are two kinds of helical gears for parallel shafts: left-handed and right-handed.
The Industrial Gearbox market is segmented based on product type, application, and geography. The report analyzes the competitive scenario by segmenting the market by region, company, and type. Using this information, it estimates market size, revenue, and consumption. The report also features key information about COVID-19 and its impact on the overall industry. And it also provides a competitive landscape with industry-leading players.
Industrial gearboxes are integrated with devices and make automation processes more efficient and reliable. Increasing labor costs, shortage of skilled labor, and the ageing workforce are driving the demand for automation technologies. The industry requires newer and more advanced models and technologies to compete in the global market. You can use Coaxial helical gearbox in a variety of applications. Its benefits are endless. If you are looking for a reliable, high-performance industrial gearbox, CZPT can help you find it.

Worm reduction gearbox

As a general rule, larger center distance worm reduction gearboxes are more efficient than smaller ones. Worm gearboxes with 2.6-in. center distances start to lose efficiency as their ratios increase. Larger center distances tend to have higher efficiency than smaller ones. However, this difference may not always be enough to justify the higher investment. Worm gear reducers typically cost less than equivalent helical units.
The use of aluminum for worm reduction gearboxes is a popular choice for those involved in the manufacturing of Packaging Equipment. In addition to being lightweight, aluminum worm reduction gearboxes have high strength and rigidity. Manufacturers recommend this choice because of its high rigidity and durability. While purchasing aluminum worm reduction gearboxes, keep in mind that they are more expensive than steel versions. However, they have a longer lifespan and are highly resistant to wear.
The worm’s helix angle is larger than a helical gear, which allows a much higher gear ratio. In addition, the worm’s body is usually longer in the axial direction than helical gears. Worm reduction gears are often left-handed, and British or Indian standards are usually followed. The worm wheel is made of hardened alloy steel PB2-C, while the gearbox case is made of hardened alloy steel FG 220 or FG 250res.
The worms in a sacrificial system are relatively safe from wear. Instead, the softer wheel is the cause of most wear and tear. The oil analysis report for a sacrificial system shows low iron levels and high copper concentrations. However, if a worm reduction gearbox has a bad reputation, you should consider purchasing a new one. If the worm gears are in good condition, the gearbox is still a viable option for a new or replacement vehicle.
The advantages of a worm reduction gearbox are numerous. The worm gearbox is widely used in industrial settings, where it provides torque and speed reduction to move products. Worm gearboxes are also commonly used in automatic security gates, which will not run in reverse. Most security gates use two separate worm drives to keep the gate in the closed position. There are also many other uses for worm reducers. You can learn more about the benefits of worm gearboxes by reading below.

Stainless steel gearbox

Stainless steel gearboxes offer a number of advantages over standard gearboxes. They match the existing stainless motor design and cost 50 percent more on average. They have stainless output shafts and housings as well as corrosion resistant hardware and a food grade lubricant. Stainless steel gearboxes feature IP 65 sealing, Viton shaft seals at the input and output shafts, and a Buna o-ring between the housings. Stainless steel gearboxes also eliminate flat surfaces and allow for a cylindrical design.
Stainless steel gearboxes are more durable than traditional cast iron or epoxy-painted gearboxes. These gearboxes can withstand repeated washdown operations without damage. They also do not collect particles or bacteria. And because stainless steel does not corrode, stainless steel gearboxes can withstand harsh environments, such as oily or greasy environments. Because stainless steel gearboxes are corrosion-resistant, they require little maintenance. They are also easier to clean and maintain, resulting in fewer replacements and a longer life span for your gearbox.
Stainless steel gearboxes are a great choice for food and other industries that require high hygiene standards. In addition to its durability, stainless steel gearboxes are ideal for applications in environments that require high levels of humidity and water. They are also life-lubricated, and they can be supplied with food-grade oils or water. The CZPT Gears stainless gearbox is a versatile option for a variety of applications.
Stainless steel gearboxes offer superior corrosion protection and can withstand harsh environments. The stainless steel cover, housing, and external hardware ensure superior corrosion protection. If you have questions about the varying benefits of stainless steel gearboxes, contact a CZPT Gear sales representative to learn more about your options. And if you are not sure which type is right for your needs, contact a CZPT Gear sales representative to find the perfect solution for your business.

1 speed gearbox

Volkswagen Group Components manufactures the one speed gearbox. The gearbox has a high-performance electric drive motor that produces 310 Nm of torque over a wide speed range. Designed for maximum range, this gearbox uses a single gear for all driving situations. It is extremely quiet, too, and requires precision manufacturing. Volkswagen has also made it available in a reverse-gear configuration with power electronics. Volkswagen’s ID.3 EV’s e-drive motor is a perfect example of this.
The first part of the transmission corresponds to the even and odd gears, while the second part has the straighter gears. A single gear set can change between both modes. An intermediate gear set is also possible. A lastshelf gear can be formed by hydraulically betigte Lamellenkupplungen. Both types of gears can be exchanged between partial transmissions. The invention may furthermore include a transmission with the same gear ratios as the first part of the transmission.
Another variation of the one speed gearbox is the CVT. This type of gearbox has only one drive unit, which means it does not require a clutch or brake. Its power is derived from the torque generated by the Internal Combustion Engine at a particular speed. The engine cannot sustain such high torque levels above 5500 RPM, which will reduce the MPG. Also, raising the RPM will reduce the acceleration, and in severe cases may lead to an engine crash.
As the number of applications for a 1 speed gearbox increases, its design and functionality will continue to evolve. Bosch Rexroth has developed its eGFZ gearbox based on customer feedback. They are currently working on various pilot projects and hope to put it into production in the next few years. However, if you want to buy a 1 speed gearbox now, consider the benefits of a first-rate design.