Product Description
40*68*14mm AR81208 High Limiting Speed Needle Roller Thrust Bearing Used In Automobile Drive Trains
Application
Machine Tools Cars and Light Trucks
Trucks, Trailers and Buses Two and Three Wheelers
Needle roller thrust bearings are fitted with a form-stable cage to reliably retain and CZPT a large number of needle rollers.
Needle roller thrust bearings provide a high degree of stiffness within a minimum axial space.
In applications where the faces of adjacent machine components can serve as raceways, needle roller thrust bearings take up
no more space than a conventional thrust washer.
Needle Roller Thrust Bearings with Washers Specification
| Product Name | Needle Roller Thrust Bearings with Washers |
| Shaft Diameter | Available for 10 ≤ d ≤ 50 mm |
| Material | Bearing Steel (GCr15) |
| Suitable Washers | LS Universal Washer, AS Thin Universal Washer, WS Shaft Washer |
| Cage | Steel |
| Features | Accommodate heavy axial loads and CZPT loads |
| Certification | ISO 9001:2008 |
| Packing | 1.Neutral Packing Bearing 2.Industrial Packing 3.Commercial Packing Bearing 4.Customize |
| Delivery Time | 30 – 45 Days After The Order is Confirmed |
| Shippment | 1.By Sea 2.By Air 3.By Express |
| Website | http://hlimachinery |
| Bearing No. | Boundary Dimensions (mm) | Basic Load Rating (KN) |
Limited Speed |
Mass | |||||||
| d | D | B | Eb | Ea | C | Co | rpm | kg | |||
| AR4.5 10 22 | 10 | 22.0 | 4.50 | 12.2 | 18.5 | 6.56 | 14.32 | 12400 | 0.007 | ||
| AR5 12 26 | 12 | 26.0 | 5.00 | 14.8 | 22.9 | 10.16 | 23.60 | 10400 | 0.011 | ||
| AR5 15 28 | 15 | 28.0 | 5.00 | 16.8 | 24.9 | 11.20 | 27.20 | 9200 | 0.011 | ||
| AR5 17 30 | 17 | 30.0 | 5.00 | 18.8 | 26.9 | 12.00 | 31.20 | 8400 | 0.013 | ||
| AR7 20 35 | 20 | 35.0 | 7.00 | 22.0 | 31.5 | 17.60 | 43.20 | 7200 | 0.571 | ||
| AR7 25 42 | 25 | 42.0 | 7.00 | 27.7 | 37.3 | 20.40 | 56.00 | 6000 | 0.031 | ||
| AR7 25 52 | 25 | 52.0 | 7.00 | 29.0 | 47.0 | 26.00 | 97.60 | 5200 | 0.070 | ||
| AR7 30 47 | 30 | 47.0 | 7.00 | 32.7 | 42.3 | 21.20 | 61.60 | 5200 | 0.036 | ||
| AR81206 | 30 | 52.0 | 11.75 | 32.8 | 47.0 | 38.40 | 93.60 | 5040 | 0.085 | ||
| AR9 30 60 | 30 | 60.0 | 9.00 | 33.5 | 53.5 | 36.80 | 129.60 | 4480 | 0.113 | ||
| AR8 35 53.4 | 35 | 53.4 | 8.00 | 37.8 | 47.8 | 27.04 | 75.20 | 4400 | 0.052 | ||
| AR81207 | 35 | 62.0 | 12.75 | 38.6 | 54.8 | 52.80 | 132.00 | 4240 | 0.132 | ||
| AR9 35 68 | 35 | 68.0 | 9.00 | 39.0 | 60.6 | 40.80 | 155.20 | 3920 | 0.144 | ||
| AR9 40 60.4 | 40 | 60.4 | 9.00 | 42.8 | 54.8 | 36.80 | 103.20 | 4000 | 0.070 | ||
| AR81208 | 40 | 68.0 | 14.00 | 43.6 | 61.8 | 65.60 | 167.20 | 3840 | 0.169 | ||
| AR | 40 | 78.0 | 11.00 | 44.0 | 70.0 | 56.80 | 212.00 | 3360 | 0.225 | ||
| AR9 45 65.4 | 45 | 65.4 | 9.00 | 47.8 | 59.8 | 39.20 | 114.40 | 3600 | 0.077 | ||
| AR81209 | 45 | 73.0 | 14.50 | 48.6 | 66.8 | 68.00 | 180.00 | 3440 | 0.197 | ||
| AR | 45 | 85.0 | 14.00 | 49.0 | 77.0 | 65.60 | 272.00 | 3040 | 0.350 | ||
| AR9 50 70.4 | 50 | 70.4 | 9.00 | 52.8 | 64.8 | 40.80 | 125.60 | 3200 | 0.082 | ||
| AR81210 | 50 | 78.0 | 15.50 | 53.6 | 71.8 | 74.40 | 204.00 | 3200 | 0.234 | ||
| AR | 50 | 95.0 | 14.00 | 54.0 | 86.0 | 86.40 | 344.00 | 2720 | 0.448 | ||
| AR.4 | 55 | 78.4 | 10.00 | 58.5 | 72.5 | 48.80 | 162.40 | 3040 | 0.125 | ||
| AR81211 | 55 | 90.0 | 18.00 | 59.8 | 82.0 | 99.20 | 284.00 | 2880 | 0.381 | ||
| AR | 55 | 105.0 | 14.00 | 60.2 | 96.2 | 100.00 | 424.00 | 2480 | 0.537 | ||
About Us
HENGLI Machinery Company is a well-established Chinese bearing supplier. We design, manufacture and wholesale bearings.
Our specialized manufacturer of Spherical Roller Bearing & Cylindrical Roller Bearing, XIHU (WEST LAKE) DIS. Rolling Bearing Co., Ltd was
established in 1970 and is accredited by the Chinese Ministry of Machine Building.
We invested in 2 additional specialized bearing factories, which allow us to provide our clients with top of the line products such as
Needle Roller Bearings, Cam Follower Bearings, Thrust Bearings, Spherical Plain Bearings, Rod Ends Bearings, Ball Joint
Bearings, Tapered Roller Bearings, Wheel Hub Bearings and Non-Standard Bearings.
FAQ
Q1 – What is our advantages?
A – Manufacturer – Do it only with the Best;
-Your Choice make different.
Q2 – Our Products
A – Spherical Roller Bearing, Cylindrical Roller Bearing, Needle Roller Bearing, Cam Followers, Thrust Bearing
– Spherical Plain Bearing, Rod End, Ball Joint, Wheel Hub, Tapered Roller Bearing
Q3 – Process of our production
A – Heat Treatment – Grinding – Parts Inspection – Assembly – Final Inspection – Packing
Q4 – How to customize bearing(non-standard) from your company?
A -We offer OEM,Customized(Non-standard) service and you need to provide drawing and detailed Technical Data.
Q5 – What should I care before installation?
A – Normally, the preservative with which new bearings are coated before leaving the factory does not need to be
removed; it is only necessary to wipe off the outside cylindrical surface and bore, if the grease is not compatible
with the preservative, it is necessary to wash and carefully dry the bearing.
-Bearings should be installed in a dry, dust-free room away from metal working or other machines producing
swarf and dust.
Q6 – How to stock and maintenance my bearings right?
A – Do not store bearings directly on concrete floors, where water can condense and collect on the bearing;
-Store the bearings on a pallet or shelf, in an area where the bearings will not be subjected to high humidity
or sudden and severe temperature changes that may result in condensation forming;
-Always put oiled paper or, if not available, plastic sheets between rollers and cup races of tapered roller bearings.
What is a drive shaft?
If you notice a clicking noise while driving, it is most likely the driveshaft. An experienced auto mechanic will be able to tell you if the noise is coming from both sides or from 1 side. If it only happens on 1 side, you should check it. If you notice noise on both sides, you should contact a mechanic. In either case, a replacement driveshaft should be easy to find.
The drive shaft is a mechanical part
A driveshaft is a mechanical device that transmits rotation and torque from the engine to the wheels of the vehicle. This component is essential to the operation of any driveline, as the mechanical power from the engine is transmitted to the PTO (power take-off) shaft, which hydraulically transmits that power to connected equipment. Different drive shafts contain different combinations of joints to compensate for changes in shaft length and angle. Some types of drive shafts include connecting shafts, internal constant velocity joints, and external fixed joints. They also contain anti-lock system rings and torsional dampers to prevent overloading the axle or causing the wheels to lock.
Although driveshafts are relatively light, they need to handle a lot of torque. Torque applied to the drive shaft produces torsional and shear stresses. Because they have to withstand torque, these shafts are designed to be lightweight and have little inertia or weight. Therefore, they usually have a joint, coupling or rod between the 2 parts. Components can also be bent to accommodate changes in the distance between them.
The drive shaft can be made from a variety of materials. The most common material for these components is steel, although alloy steels are often used for high-strength applications. Alloy steel, chromium or vanadium are other materials that can be used. The type of material used depends on the application and size of the component. In many cases, metal driveshafts are the most durable and cheapest option. Plastic shafts are used for light duty applications and have different torque levels than metal shafts.
It transfers power from the engine to the wheels
A car’s powertrain consists of an electric motor, transmission, and differential. Each section performs a specific job. In a rear-wheel drive vehicle, the power generated by the engine is transmitted to the rear tires. This arrangement improves braking and handling. The differential controls how much power each wheel receives. The torque of the engine is transferred to the wheels according to its speed.
The transmission transfers power from the engine to the wheels. It is also called “transgender”. Its job is to ensure power is delivered to the wheels. Electric cars cannot drive themselves and require a gearbox to drive forward. It also controls how much power reaches the wheels at any given moment. The transmission is the last part of the power transmission chain. Despite its many names, the transmission is the most complex component of a car’s powertrain.
The driveshaft is a long steel tube that transmits mechanical power from the transmission to the wheels. Cardan joints connect to the drive shaft and provide flexible pivot points. The differential assembly is mounted on the drive shaft, allowing the wheels to turn at different speeds. The differential allows the wheels to turn at different speeds and is very important when cornering. Axles are also important to the performance of the car.
It has a rubber boot that protects it from dust and moisture
To keep this boot in good condition, you should clean it with cold water and a rag. Never place it in the dryer or in direct sunlight. Heat can deteriorate the rubber and cause it to shrink or crack. To prolong the life of your rubber boots, apply rubber conditioner to them regularly. Indigenous peoples in the Amazon region collect latex sap from the bark of rubber trees. Then they put their feet on the fire to solidify the sap.
it has a U-shaped connector
The drive shaft has a U-joint that transfers rotational energy from the engine to the axle. Defective gimbal joints can cause vibrations when the vehicle is in motion. This vibration is often mistaken for a wheel balance problem. Wheel balance problems can cause the vehicle to vibrate while driving, while a U-joint failure can cause the vehicle to vibrate when decelerating and accelerating, and stop when the vehicle is stopped.
The drive shaft is connected to the transmission and differential using a U-joint. It allows for small changes in position between the 2 components. This prevents the differential and transmission from remaining perfectly aligned. The U-joint also allows the drive shaft to be connected unconstrained, allowing the vehicle to move. Its main purpose is to transmit electricity. Of all types of elastic couplings, U-joints are the oldest.
Your vehicle’s U-joints should be inspected at least twice a year, and the joints should be greased. When checking the U-joint, you should hear a dull sound when changing gears. A clicking sound indicates insufficient grease in the bearing. If you hear or feel vibrations when shifting gears, you may need to service the bearings to prolong their life.
it has a slide-in tube
The telescopic design is a modern alternative to traditional driveshaft designs. This innovative design is based on an unconventional design philosophy that combines advances in material science and manufacturing processes. Therefore, they are more efficient and lighter than conventional designs. Slide-in tubes are a simple and efficient design solution for any vehicle application. Here are some of its benefits. Read on to learn why this type of shaft is ideal for many applications.
The telescopic drive shaft is an important part of the traditional automobile transmission system. These driveshafts allow linear motion of the 2 components, transmitting torque and rotation throughout the vehicle’s driveline. They also absorb energy if the vehicle collides. Often referred to as foldable driveshafts, their popularity is directly dependent on the evolution of the automotive industry.
It uses a bearing press to replace worn or damaged U-joints
A bearing press is a device that uses a rotary press mechanism to install or remove worn or damaged U-joints from a drive shaft. With this tool, you can replace worn or damaged U-joints in your car with relative ease. The first step involves placing the drive shaft in the vise. Then, use the 11/16″ socket to press the other cup in far enough to install the clips. If the cups don’t fit, you can use a bearing press to remove them and repeat the process. After removing the U-joint, use a grease nipple Make sure the new grease nipple is installed correctly.
Worn or damaged U-joints are a major source of driveshaft failure. If 1 of them were damaged or damaged, the entire driveshaft could dislocate and the car would lose power. Unless you have a professional mechanic doing the repairs, you will have to replace the entire driveshaft. Fortunately, there are many ways to do this yourself.
If any of these warning signs appear on your vehicle, you should consider replacing the damaged or worn U-joint. Common symptoms of damaged U-joints include rattling or periodic squeaking when moving, rattling when shifting, wobbling when turning, or rusted oil seals. If you notice any of these symptoms, take your vehicle to a qualified mechanic for a full inspection. Neglecting to replace a worn or damaged u-joint on the driveshaft can result in expensive and dangerous repairs and can cause significant damage to your vehicle.
