Product Description

Housing Units UCFL 208 Chinese Wholesale Bearing Distributor UCFL205 UCFL204 UCFL206 UCFL207 UCFL208 Pillow Block Bearing
 

Product Description

Housing and Unit are based on sealed deep groove ball bearings. This variant is suitable for applications with both constant and alternating directions of rotation. It has an inner ring extended on both sides and is locked CZPT the shaft by tightening 2 (set) screws on the inner ring, making it easy to mount.

  • Designed for a constant and alternating rotation
  • Quick and easy to mount CZPT the shaft
  • Accommodate static initial misalignment
  • Long service life
  • Reduce noise and vibration levels

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Bearing Unit No. Shaft Dia d Dimensions(mm) Bolt Used Bearing No. Housing No. Housing
Wt (kg)
h a e b S2 S1 g w t Z Bi n (mm) (in)
(in) (mm)
UCP201-8 1/2   30.2 127 95 38 19 13 14 62 2 51 31 12.7 M10 3/8 UC201-8 P203 0.33
UCP202-9 9/16   UC202-9
UCP202-10 5/8   UC202-10
UCP203-11 11/16   UC203-11
UCP201   12 UC201
UCP202   15 UC202
UCP203   17 UC203
UCP204-12 3/4   33.3 127 95 38 19 13 14 65 2 51 31 12.7 M10 3/8 UC204-12 P204 0.46
UCP204   20 UC204
UCP205-13 13/16 25 36.5 140 105 38 19 13 15 71 2 57 34.1 14.3 M10 3/8 UC205-13 P205 0.60
UCP205-14 7/8 UC205-14
UCP205-15 15/16 UC205-15
UCP205-16 1 UC205-16
UCP205   UC205
UCP206-17 1-1/16 30 42.9 165 121 48 21 17 17 83 2 62 38.1 15.9 M14 1/2 UC206-17 P206 0.97
UCP206-18 1-1/8 UC206-18
UCP206-19 1-3/16 UC206-19
UCP206-20 1-1/4 UC206-20
UCP206   UC206
UCP207-20 1-1/4 35 47.6 167 127 48 21 17 18 93 3 72 42.9 17.5 M14 1/2 UC207-20 P207 1.00
UCP207-21 1-5/16 UC207-21
UCP207-22 1-3/8 UC207-22
UCP207-23 1-7/16 UC207-23
UCP207   UC207
UCP208-24 1-1/2 40 49.2 184 137 54 21 17 18 98 3 82 49.2 19.0 M14 1/2 UC208-24 P208 1.30
UCP208-25 1-9/16 UC208-25
UCP208   UC208
UCP209-26 1-5/8 45 54 190 146 54 21 17 20 106 3 82 49.2 19.0 M14 1/2 UC209-26 P209 1.40
UCP209-27 1-11/16 UC209-27
UCP209-28 1-3/4 UC209-28
UCP209   UC209
UCP210-29 1-13/16 50 57.2 206 159 60 25 20 21 114 3 87 51.6 19.0 M16 5/8 UC210-29 P210 1.83
UCP210-30 1-7/8 UC210-30
UCP210-31 1-15/16 UC210-31
UCP210-32 2 UC210-32
UCP210   UC210
UCP211-32 2 55 63.5 219 171 60 25 20 23 126 4 92 55.6 22.2 M16 5/8 UC211-32 P211 2.4
UCP211-33 2-1/16 UC211-33
UCP211-34 2-1/8 UC211-34
UCP211-35 2-3/16 UC211-35
UCP211   UC211
UCP212-36 2-1/4 60 69.8 241 184 70 25 20 25 138 4 102 65.1 25.4 M16 5/8 UC212-36 P212 2.8
UCP212-37 2-5/16 UC212-37
UCP212-38 2-3/8 UC212-38
UCP212-39 2-7/16 UC212-39
UCP212   UC212
UCP213-40 2-1/2 65 76.2 265 203 70 29 25 27 151 4 107 65.1 25.4 M20 3/4 UC213-40 P213 3.5
UCP213-41 2-9/16 UC213-41
UCP213   UC213
UCP214-42 2-5/8 70 79.4 266 210 72 31 25 27 157     74.6 30.2 M20 3/4 UC214-42 P214 4.45
UCP214-43 2-11/16 UC214-43
UCP214-44 2-3/4 UC214-44
UCP214   UC214
UCP215-45 2-13/16 75 82.6 275 217 74 31 25 28 163     77.8 33.3 M20 3/4 UC215-45 P215 4.9
UCP215-46 2-7/8 UC215-46
UCP215-47 2-15/16 UC215-47
UCP215-48 3 UC215-48
UCP215   UC215
UCP216-50 3-1/8 80 88.9 292 232 78 31 25 30 175     82.6 33.3 M20 3/4 UC216-50 P216 5.8
UCP216   UC216
UCP217-52 3-1/4 85 95.2 310 247 83 31 25 32 187     85.7 34.1 M20 3/4 UC217-52 P217 6.9
UCP217   UC217
UCP218-56 3-1/2 90 101.6 327 262 88 33 27 33 200     96.0 39.7 M22 7/8 UC218-56 P218 8.10

Our Advantages

1:Heavier and thicker bearing housing

2:The bearing uses a thickened bearing housing, which is more durable and has a long service life. 
Double set screws

3:The bearing is equipped with double-set screws. the bearing and the shaft are used together to better fix the bearing inner ring and the shaft. 
Four-star Seal

4:The bearing adopts 4-Star seals, which have a better sealing effect, it not easy to leak oil, has a strong dust-proof ability, and reduce maintenance costs.
 

 

 

Aligning: Non-Aligning Bearing
Separated: Unseparated
Feature: Corrosion Resistant, High Temperature, High Speed
Rows Number: Single
Raceway: Deep Groove Raceway
Material: Stainless Steel
Samples:
US$ 2/Piece
1 Piece(Min.Order)

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Request Sample

Customization:
Available

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Customized Request

bearing

Types of Ball Bearings

In their most basic form, Ball Bearings have one common feature – they are made of steel. The majority of these bearings are made of 52100 steel, which has one percent chromium and one percent carbon. The steel can be hardened by heat trea
tment. 440C stainless steel is used for rusting problems. A cage around the ball balls is traditionally made from thin steel. However, some bearings use molded plastic cages to save money and friction.

Single-row designs

Steel linear translation stages often use single-row designs for ball bearings. These types of bearings provide smooth linear travel and can withstand high loads. The material steel has a high modulus of elasticity and a high stiffness, as well as a lower thermal expansion than aluminum. For these reasons, steel is the material of choice for a ball bearing in a typical user environment. Single-row designs for ball bearings are also suitable for applications in humid or corrosive environments.
Single-row designs for ball bearings are available in a variety of sizes and are axially adjustable. They have a high radial capacity, but require relatively little space. Single-row deep groove ball bearings with snap rings are STN 02 4605 or R47, respectively. Bearings with snap rings are identified by a suffix such as NR. They may not have seals or shields installed.
These single-row angular contact ball bearings are capable of supporting axial and radial loads. In a two-raceway arrangement, the radial load on bearing A causes a radial load to act on bearing B. Both axial and radial forces are transmitted between single-row angular contact ball bearings, and the resulting internal force must be taken into account to calculate equivalent dynamic bearing loads P.
Single-row deep groove ball bearings are the most common type of ball bearings. These bearings are designed with only one row of rolling elements. The single-row design is simple and durable, which makes it ideal for high-speed applications. Single-row designs for ball bearings are also available in various bore sizes. They can also come in a variety of shapes and are non-separable. If you need a high-speed bearing, you may want to opt for a double-row design.
In addition to single-row designs for ball bearings, you can choose ceramic or steel ball bearings. Ceramic balls are considerably harder than steel balls, but they are not as hard as steel. Hence, ceramic bearings are stiffer than steel ball bearings, resulting in increased stress on the outer race groove and lower load capacity. This is a great benefit for those who need the bearings to be lightweight and strong.
The difference between single-row and double-row designs is in the way that the inner and outer ring are installed. A single-row design places the inner ring in an eccentric position relative to the outer ring. The two rings are in contact at one point, which causes a large gap in the bearing. The balls are then inserted through the gap. As a result, the balls are evenly distributed throughout the bearing, which forces the inner and outer rings to become concentric.
Deep-groove ball bearings are one of the most popular types of ball bearings. They are available in different designs, including snap-ring, seal and shield arrangements. The race diameter of a deep-groove ball bearing is close to the ball’s diameter. These types of bearings are suited for heavy loads, and their axial and radial support are excellent. Their main drawback is that the contact angle cannot be adjusted to accommodate a wide range of relative loads.
bearing

Ceramic hybrid ball bearings

Hybrid ball bearings with ceramic balls have numerous advantages. They feature improved kinematic behavior and require less lubrication. Consequently, they can reduce operating costs. Additionally, their low thermal expansion coefficient allows for smaller changes in contact angle and preload variations, and they can retain tolerances. Furthermore, ceramic hybrid ball bearings have significantly increased life spans compared to conventional steel-steel ball bearings, with up to 10 times the lifespan.
Although ceramic bearings can be used in automotive applications, many people believe that they’re a poor choice for bicycle hubs. They don’t reduce weight and only work well in high-rpm environments. As a result, many cyclists don’t even bother with ceramic-based bearings. However, both Paul Lew and Alan are of the opinion that ceramic bearings are best suited for industrial or medical equipment applications. Furthermore, Paul and Alan believe that they are ideal for high-altitude drone motors.
Another advantage of ceramic hybrid ball bearings is that they use less friction than conventional steel-based balls. They are also more durable, requiring less lubrication than steel-based bearings. Furthermore, the lower friction and rolling resistance associated with ceramic-based ball bearings means that they can last ten times longer than steel-based bearings. A ceramic-based hybrid ball bearing can be used for applications where speed and lubrication are critical.
Ceramic hybrid ball bearings feature both steel and silicon nitride balls. Silicon nitride balls have 50% more modulus of elasticity than steel balls and can improve accuracy and precision. Ceramic balls also have a smoother surface finish than steel balls, which reduces vibration and spindle deflection. These benefits result in increased speed and improved production quality. In addition to this, ceramic balls can also reduce the operating temperature, enhancing the work environment.
Hybrid bearings are a popular alternative to steel bearings. They have some benefits over traditional steel bearings, and are becoming a popular choice for engineered applications. Hybrid bearings are ideal for high speed machines. The material used to manufacture ceramic balls is a high-quality alloy, and is comparatively inexpensive. But you must understand that lubrication is still necessary for hybrid bearings. If you are not careful, you may end up wasting money.
These ball bearings can be used in many industries and applications, and they are widely compatible with most metals. The main advantage of hybrid ball bearings is that they are very durable. While steel balls tend to corrode and wear out, ceramic ball bearings can withstand these conditions while minimizing maintenance and replacement costs. The benefits of hybrid ball bearings are clear. So, consider switching to these newer types of ball bearings.
bearing

Self-aligning ball bearings

Self-aligning ball bearings are a good choice for many applications. They are a great alternative to traditional ball bearings, and they are ideal for rotating applications in which the shaft must move in several directions. They are also ideal for use in rotating parts where a tight tolerance is necessary. You can choose between two types: plain and flex shaft. Read on to find out which one will suit your needs.
Self-aligning ball bearings are designed with a higher axial load carrying capacity than single-row radial deep groove ball bearings. The amount of axial load carrying capacity is dependent upon the pressure angle. These bearings have a hollow raceway in the outer ring that allows the inner ring to pivot without friction. They are often used for high-speed applications. Because of their design, they are highly accurate.
Self-aligning ball bearings are radial bearings that feature two rows of balls in a spherical outer ring. They also feature two deep uninterrupted raceway grooves in the inner ring. Their unique features make them an excellent choice for applications where shaft deflection is a significant factor. Despite their small size, they have a high level of precision and can withstand heavy loads.
Self-aligning ball bearings can compensate for misalignment in shaft applications. The inner ring and ball assembly are positioned inside an outer ring containing a curved raceway. This spherical design allows the balls and cage to deflect and re-align around the bearing center. These bearings are also ideal for applications where shaft deflection is significant, such as in simple woodworking machinery.
Another type of self-aligning ball bearing uses a common concave outer race. Both balls and outer races automatically compensate for angular misalignment caused by machining, assembly, and deflections. Compared to spherical rollers, they have lower frictional losses than their spherical counterparts. Self-alignment ball bearings also have lower vibration levels compared to other types of bearings.
Self-aligning ball bearings operate in misaligned applications because their spherical outer raceway can accommodate misalignment. This design allows them to work in applications where shaft deflection or housing deformation is common. They are therefore more suitable for low to medium-sized loads. The only real drawback to self-aligning ball bearings is their price. If you need to purchase a self-aligning ball bearing for your next project, you can expect to pay around $1500.

China factory Housing Units UCFL 204 205 206 207 208 Chinese Wholesale Bearing Distributor UCFL205 UCFL204 UCFL206 UCFL207 UCFL208 Pillow Block Bearing   bearing airChina factory Housing Units UCFL 204 205 206 207 208 Chinese Wholesale Bearing Distributor UCFL205 UCFL204 UCFL206 UCFL207 UCFL208 Pillow Block Bearing   bearing air
editor by CX 2023-04-20