China Single Row Crossed Roller Slewing Bearing carrier bearing

Solution Description

Product series 1. Single Row Four Point Contact Ball Slewing Bearing
two. Single Row Crossed Roller Slewing Bearing
three. Double Row Ball Slewing Bearing
4. Three Row Roller Slewing Bearing
5. Thin Section Slewing bearing 
Outside Diameter 280 – 5000 mm
Bore Diameter 120 – 4200 mm
Gear Options External gear
Internal gear
Without gear
Raw material 50Mn, 42CrMo
Rolling element Ball or roller
Brand Name FUSEN
Place of Origin China
Certificate ISO9001:2008, SGS
Warranty 1 year
Delivery Time: twenty-50DAYS
Payment Terms: L/C,T/T,Western Union 
Packaging Details: 1:Filling with rust-proof oil 
2:Packing with protective layers 
3:Fixed in wooden box

    D
(mm)
d
(mm)
H
(mm)
D1
(mm)
D2
(mm)
dn1
dn2
(mm)
dm1
dm2
(mm)
L
(mm)
n1 D3
(mm)
d1
(mm)
H1
(mm)
H
(mm)
b
(mm)
m
(mm)
da
(mm)
da
(mm)
eleven.twenty five.five hundred 1 602 398 75 566 434 18 M16 32 20 four 498 502 sixty five 10 sixty
six
629
628.8
123
102
367
368.four
seventy four
sixty two
11.twenty five.560 two 662 458 75 626 494 18 M16 32 20 four 558 562 65 ten 60 five
6
689
688.8
one hundred thirty five
112
427
428.4
86
72
eleven.twenty five.630 3 732 528 75 696 564 18 M16 32 24 4 628 632 65 ten sixty six
eight
772.8
774.four
126
ninety four
494.4
491.2
83
sixty two
11.25.710 4 812 608 75 776 644 eighteen M16 32 24 four 708 712 sixty five 10 60 6
eight
850.8
854.4
139
104
572.four
571.two
ninety six
72
eleven.28.800 five 922 678 eighty two 878 722 22 M20 40 30 six 798 802 72 ten 65
ten
966.4
968
118
ninety four
635.2
634
80
sixty four
eleven.28.900 6 1571 778 82 978 822 22 M20 40 30 six 898 902 seventy two 10 65
ten
1062.4
1068
one hundred thirty
104
739.two
734
93
74
11.28.one thousand 7 1122 878 eighty two 1078 922 22 M20 forty 36 six 998 1002 seventy two ten sixty five ten
twelve
1188
1185.6
116
96
824
820.8
eighty three
69
eleven.28.1120 8 1242 998 82 1198 1042 22 M20 forty 36 six 1118 1122 72 10 sixty five 10
twelve
1298
1305.6
127
106
944
940.eight
95
79
11.32.1250 nine 1390 1110 91 1337 1163 26 M24 48 40 five 1248 1252 81 ten seventy five 12 
14
1449.6
1453.two
118
101
1048.eight
1041.six
88
75
11.32.1400 ten 1540 1260 91 1487 1313 26 M24 48 40 5 1398 1402 81 ten 75 twelve
14
1605.six
1607.two
131
112
1192.8
1195.6
100
86
11.32.1600 eleven 1740 1460 ninety one 1687 1513 26 M24 48 forty five 5 1598 1602 eighty one ten seventy five 14
16
1817.two
1820.eight
127
111
1391.six
1382.four
100
87
eleven.32.1800 12 1940 1660 ninety one 1887 1713 26 M24 forty eight 45 5 1798 1802 81 10 seventy five 14
sixteen
2013.2
2012.eight
141
123
1573.six
1574.4
113
ninety nine
11.40.2000 thirteen 2178 1825 112 2110 1891 33 M30 sixty forty eight eight 1997 2003 100 twelve 90 sixteen
18
2268.8
2264.4
139
123
1734.four
1735.two
109
ninety seven
eleven.40.2240 14 2418 2065 112 2350 2131 33 M30 60 48 eight 2237 2243 a hundred twelve 90 16
eighteen
2492.eight
2498.four
153
136
1990.4
1987.2
one hundred twenty five
111
11.40.2500 15 2678 2325 112 2610 2391 33 M30 60 fifty six 8 2497 2503 100 12 90 18
20
2768.4
2776
151
136
2239.2
2228
a hundred twenty five
112
11.40.2800 sixteen 2978 2625 112 2910 2691 33 M30 60 56 eight 2797 2803 100 12 ninety eighteen
twenty
3074.four
3076
168
151
2527.two
2528
141
127
11.50.3150 seventeen 3376 2922 134 3286 3014 forty five M42 eighty four 56 8 3147 3153 122 twelve a hundred and ten 20
22
3476
3471.6
171
a hundred and fifty five
2828
2824.8
142
129
11.50.3550 18 3776 3322 134 3686 3414 forty five M42 eighty four 56 8 3547 3553 122 twelve 110 twenty
22
3876
3889.6
191
174
3228
3220.eight
162
147
eleven.50.4000 19 4226 3772 134 4136 3864 45 M42 eighty four sixty 10 3997 4003 122 12 a hundred and ten 22
25
4329.six
4345
194
171
3660.8
3660
167
147
11.fifty.4500 20 4726 4272 134 4636 4364 45 M42 eighty four sixty 10 4497 4503 122 twelve a hundred and ten 22
twenty five
4835.6
4845
217
191
4166.eight
4160
190
167

 

To Be Negotiated 1 Piece
(Min. Order)

###

Standard or Nonstandard: Standard
Feature: High Speed, Cold-Resistant, Corrosion-Resistant
Sealing Gland: Non-Seal
Rolling-Element Number: Single-Row
Roller Type: Deep Groove Raceway
Material: Alloy

###

Customization:

###

Product series 1. Single Row Four Point Contact Ball Slewing Bearing
2. Single Row Crossed Roller Slewing Bearing
3. Double Row Ball Slewing Bearing
4. Three Row Roller Slewing Bearing
5. Thin Section Slewing bearing 
Outside Diameter 280 – 5000 mm
Bore Diameter 120 – 4200 mm
Gear Options External gear
Internal gear
Without gear
Raw material 50Mn, 42CrMo
Rolling element Ball or roller
Brand Name FUSEN
Place of Origin China
Certificate ISO9001:2008, SGS
Warranty 1 year
Delivery Time: 20-50DAYS
Payment Terms: L/C,T/T,Western Union 
Packaging Details: 1:Filling with rust-proof oil 
2:Packing with protective layers 
3:Fixed in wooden box

###

    D
(mm)
d
(mm)
H
(mm)
D1
(mm)
D2
(mm)
dn1
dn2
(mm)
dm1
dm2
(mm)
L
(mm)
n1 D3
(mm)
d1
(mm)
H1
(mm)
H
(mm)
b
(mm)
m
(mm)
da
(mm)
da
(mm)
11.25.500 1 602 398 75 566 434 18 M16 32 20 4 498 502 65 10 60
6
629
628.8
123
102
367
368.4
74
62
11.25.560 2 662 458 75 626 494 18 M16 32 20 4 558 562 65 10 60 5
6
689
688.8
135
112
427
428.4
86
72
11.25.630 3 732 528 75 696 564 18 M16 32 24 4 628 632 65 10 60 6
8
772.8
774.4
126
94
494.4
491.2
83
62
11.25.710 4 812 608 75 776 644 18 M16 32 24 4 708 712 65 10 60 6
8
850.8
854.4
139
104
572.4
571.2
96
72
11.28.800 5 922 678 82 878 722 22 M20 40 30 6 798 802 72 10 65
10
966.4
968
118
94
635.2
634
80
64
11.28.900 6 1022 778 82 978 822 22 M20 40 30 6 898 902 72 10 65
10
1062.4
1068
130
104
739.2
734
93
74
11.28.1000 7 1122 878 82 1078 922 22 M20 40 36 6 998 1002 72 10 65 10
12
1188
1185.6
116
96
824
820.8
83
69
11.28.1120 8 1242 998 82 1198 1042 22 M20 40 36 6 1118 1122 72 10 65 10
12
1298
1305.6
127
106
944
940.8
95
79
11.32.1250 9 1390 1110 91 1337 1163 26 M24 48 40 5 1248 1252 81 10 75 12 
14
1449.6
1453.2
118
101
1048.8
1041.6
88
75
11.32.1400 10 1540 1260 91 1487 1313 26 M24 48 40 5 1398 1402 81 10 75 12
14
1605.6
1607.2
131
112
1192.8
1195.6
100
86
11.32.1600 11 1740 1460 91 1687 1513 26 M24 48 45 5 1598 1602 81 10 75 14
16
1817.2
1820.8
127
111
1391.6
1382.4
100
87
11.32.1800 12 1940 1660 91 1887 1713 26 M24 48 45 5 1798 1802 81 10 75 14
16
2013.2
2012.8
141
123
1573.6
1574.4
113
99
11.40.2000 13 2178 1825 112 2110 1891 33 M30 60 48 8 1997 2003 100 12 90 16
18
2268.8
2264.4
139
123
1734.4
1735.2
109
97
11.40.2240 14 2418 2065 112 2350 2131 33 M30 60 48 8 2237 2243 100 12 90 16
18
2492.8
2498.4
153
136
1990.4
1987.2
125
111
11.40.2500 15 2678 2325 112 2610 2391 33 M30 60 56 8 2497 2503 100 12 90 18
20
2768.4
2776
151
136
2239.2
2228
125
112
11.40.2800 16 2978 2625 112 2910 2691 33 M30 60 56 8 2797 2803 100 12 90 18
20
3074.4
3076
168
151
2527.2
2528
141
127
11.50.3150 17 3376 2922 134 3286 3014 45 M42 84 56 8 3147 3153 122 12 110 20
22
3476
3471.6
171
155
2828
2824.8
142
129
11.50.3550 18 3776 3322 134 3686 3414 45 M42 84 56 8 3547 3553 122 12 110 20
22
3876
3889.6
191
174
3228
3220.8
162
147
11.50.4000 19 4226 3772 134 4136 3864 45 M42 84 60 10 3997 4003 122 12 110 22
25
4329.6
4345
194
171
3660.8
3660
167
147
11.50.4500 20 4726 4272 134 4636 4364 45 M42 84 60 10 4497 4503 122 12 110 22
25
4835.6
4845
217
191
4166.8
4160
190
167
To Be Negotiated 1 Piece
(Min. Order)

###

Standard or Nonstandard: Standard
Feature: High Speed, Cold-Resistant, Corrosion-Resistant
Sealing Gland: Non-Seal
Rolling-Element Number: Single-Row
Roller Type: Deep Groove Raceway
Material: Alloy

###

Customization:

###

Product series 1. Single Row Four Point Contact Ball Slewing Bearing
2. Single Row Crossed Roller Slewing Bearing
3. Double Row Ball Slewing Bearing
4. Three Row Roller Slewing Bearing
5. Thin Section Slewing bearing 
Outside Diameter 280 – 5000 mm
Bore Diameter 120 – 4200 mm
Gear Options External gear
Internal gear
Without gear
Raw material 50Mn, 42CrMo
Rolling element Ball or roller
Brand Name FUSEN
Place of Origin China
Certificate ISO9001:2008, SGS
Warranty 1 year
Delivery Time: 20-50DAYS
Payment Terms: L/C,T/T,Western Union 
Packaging Details: 1:Filling with rust-proof oil 
2:Packing with protective layers 
3:Fixed in wooden box

###

    D
(mm)
d
(mm)
H
(mm)
D1
(mm)
D2
(mm)
dn1
dn2
(mm)
dm1
dm2
(mm)
L
(mm)
n1 D3
(mm)
d1
(mm)
H1
(mm)
H
(mm)
b
(mm)
m
(mm)
da
(mm)
da
(mm)
11.25.500 1 602 398 75 566 434 18 M16 32 20 4 498 502 65 10 60
6
629
628.8
123
102
367
368.4
74
62
11.25.560 2 662 458 75 626 494 18 M16 32 20 4 558 562 65 10 60 5
6
689
688.8
135
112
427
428.4
86
72
11.25.630 3 732 528 75 696 564 18 M16 32 24 4 628 632 65 10 60 6
8
772.8
774.4
126
94
494.4
491.2
83
62
11.25.710 4 812 608 75 776 644 18 M16 32 24 4 708 712 65 10 60 6
8
850.8
854.4
139
104
572.4
571.2
96
72
11.28.800 5 922 678 82 878 722 22 M20 40 30 6 798 802 72 10 65
10
966.4
968
118
94
635.2
634
80
64
11.28.900 6 1022 778 82 978 822 22 M20 40 30 6 898 902 72 10 65
10
1062.4
1068
130
104
739.2
734
93
74
11.28.1000 7 1122 878 82 1078 922 22 M20 40 36 6 998 1002 72 10 65 10
12
1188
1185.6
116
96
824
820.8
83
69
11.28.1120 8 1242 998 82 1198 1042 22 M20 40 36 6 1118 1122 72 10 65 10
12
1298
1305.6
127
106
944
940.8
95
79
11.32.1250 9 1390 1110 91 1337 1163 26 M24 48 40 5 1248 1252 81 10 75 12 
14
1449.6
1453.2
118
101
1048.8
1041.6
88
75
11.32.1400 10 1540 1260 91 1487 1313 26 M24 48 40 5 1398 1402 81 10 75 12
14
1605.6
1607.2
131
112
1192.8
1195.6
100
86
11.32.1600 11 1740 1460 91 1687 1513 26 M24 48 45 5 1598 1602 81 10 75 14
16
1817.2
1820.8
127
111
1391.6
1382.4
100
87
11.32.1800 12 1940 1660 91 1887 1713 26 M24 48 45 5 1798 1802 81 10 75 14
16
2013.2
2012.8
141
123
1573.6
1574.4
113
99
11.40.2000 13 2178 1825 112 2110 1891 33 M30 60 48 8 1997 2003 100 12 90 16
18
2268.8
2264.4
139
123
1734.4
1735.2
109
97
11.40.2240 14 2418 2065 112 2350 2131 33 M30 60 48 8 2237 2243 100 12 90 16
18
2492.8
2498.4
153
136
1990.4
1987.2
125
111
11.40.2500 15 2678 2325 112 2610 2391 33 M30 60 56 8 2497 2503 100 12 90 18
20
2768.4
2776
151
136
2239.2
2228
125
112
11.40.2800 16 2978 2625 112 2910 2691 33 M30 60 56 8 2797 2803 100 12 90 18
20
3074.4
3076
168
151
2527.2
2528
141
127
11.50.3150 17 3376 2922 134 3286 3014 45 M42 84 56 8 3147 3153 122 12 110 20
22
3476
3471.6
171
155
2828
2824.8
142
129
11.50.3550 18 3776 3322 134 3686 3414 45 M42 84 56 8 3547 3553 122 12 110 20
22
3876
3889.6
191
174
3228
3220.8
162
147
11.50.4000 19 4226 3772 134 4136 3864 45 M42 84 60 10 3997 4003 122 12 110 22
25
4329.6
4345
194
171
3660.8
3660
167
147
11.50.4500 20 4726 4272 134 4636 4364 45 M42 84 60 10 4497 4503 122 12 110 22
25
4835.6
4845
217
191
4166.8
4160
190
167

How to Replace a Bearing

If you want to select a bearing for a specific application, you should know a few basics. This article will give you an overview of ball, angular contact, and sliding-contact bearings. You can choose a bearing according to the application based on the characteristics of its material and preload. If you are not sure how to choose a bearing, try experimenting with it. The next step is to understand the Z-axis, which is the axes along which the bearing moves.

Z axis

When it comes to replacing your Z axis bearing, there are several things you must know. First, you need to make sure that the bearings are seated correctly. Then, you should check the tension and rotation of each one. To ensure that both bearings are equally tensioned, you should flex the Core to the desired angle. This will keep the Z axis perpendicular to the work surface. To do this, first remove the Z axis bearing from its housing and insert it into the Z axis motor plate. Next, insert the flanged bearing into the Z axis motor plate and secure it with two M5x8mm button head cap screws.
Make sure that the bearing plate and the Z Coupler part are flush and have equal spacing. The spacing between the two parts is important, as too much spacing will cause the leadscrew to become tight. The screws should be very loose, with the exception of the ones that engage the nylocks. After installing the bearing, the next step is to start the Z axis. Once this is done, you’ll be able to move it around with a stepper.

Angular contact

bearing
Ball bearings are made with angular contacts that result in an angle between the bearing’s races. While the axial load moves in one direction through the bearing, the radial load follows a curved path, tending to separate the races axially. In order to minimize this frictional effect, angular contact bearings are designed with the same contact angle on the inner and outer races. The contact angle must be chosen to match the relative proportions of the axial and radial loads. Generally, a larger contact angle supports a higher axial load, while reducing radial load.
Ball bearings are the most common type of angular contact bearings. Angular contact ball bearings are used in many applications, but their primary purpose is in the spindle of a machine tool. These bearings are suitable for high-speed, precision rotation. Their radial load capacity is proportional to the angular contact angle, so larger contact angles tend to enlarge with speed. Angular contact ball bearings are available in single and double-row configurations.
Angular contact ball bearings are a great choice for applications that involve axial loads and complex shapes. These bearings have raceways on the inner and outer rings and mutual displacement along the axial axis. Their axial load bearing capacity increases as the contact Angle a rises. Angular contact ball bearings can withstand loads up to five times their initial weight! For those who are new to bearings, there are many resources online dedicated to the subject.
Despite their complexity, angular contact ball bearings are highly versatile and can be used in a wide range of applications. Their angular contact enables them to withstand moderate radial and thrust loads. Unlike some other bearings, angular contact ball bearings can be positioned in tandem to reduce friction. They also feature a preload mechanism that removes excess play while the bearing is in use.
Angular contact ball bearings are made with different lubricants and cage materials. Standard cages for angular contact ball bearings correspond to Table 1. Some are machined synthetic resins while others are molded polyamide. These cage materials are used to further enhance the bearing’s axial load capacity. Further, angular contact ball bearings can withstand high speeds and radial loads. Compared to radial contact ball bearings, angular contact ball bearings offer the greatest flexibility.

Ball bearings

bearing
Ball bearings are circular structures with two separate rings. The smaller ring is mounted on a shaft. The inner ring has a groove on the outer diameter that acts as a path for the balls. Both the inner and outer ring surfaces are finished with very high precision and tolerance. The outer ring is the circular structure with the rolling elements. These elements can take many forms. The inner and outer races are generally made of steel or ceramic.
Silicon nitride ceramic balls have good corrosion resistance and lightweight, but are more expensive than aluminum oxide balls. They also exhibit an insulating effect and are self-lubricating. Silicon nitride is also suitable for high-temperature environments. However, this type of material has the disadvantage of wearing out rapidly and is prone to cracking and shattering, as is the case with bearing steel and glass. It’s also less resistant to heat than aluminum oxide, so it’s best to buy aluminum nitride or ceramic ball bearings for applications that are subjected to extremely high temperatures.
Another type of ball bearings is the thrust bearing. It has a special design that accommodates forces in both axial and radial directions. It is also called a bidirectional bearing because its races are side-by-side. Axial ball bearings use a side-by-side design, and axial balls are used when the loads are transmitted through the wheel. However, they have poor axial support and are prone to separating during heavy radial loads.
The basic idea behind ball bearings is to reduce friction. By reducing friction, you’ll be able to transfer more energy, have less erosion, and improve the life of your machine. With today’s advances in technology, ball bearings can perform better than ever before. From iron to steel to plastics, the materials used in bearings have improved dramatically. Bearings may also incorporate an electromagnetic field. So, it’s best to select the right one for your machine.
The life expectancy of ball bearings depends on many factors, including the operating speed, lubrication, and temperature. A single million-rpm ball bearing can handle between one and five million rotations. As long as its surface contact area is as small as possible, it’s likely to be serviceable for at least one million rotations. However, the average lifespan of ball bearings depends on the application and operating conditions. Fortunately, most bearings can handle a million or more rotations before they start showing signs of fatigue.

Sliding-contact bearings

bearing
The basic principle behind sliding-contact bearings is that two surfaces move in contact with one another. This type of bearing works best in situations where the surfaces are made of dissimilar materials. For instance, a steel shaft shouldn’t run in a bronze-lined bore, or vice versa. Instead, one element should be harder than the other, since wear would concentrate in that area. In addition, abrasive particles tend to force themselves into the softer surface, causing a groove to wear in that part.
Sliding-contact bearings have low coefficients of friction and are commonly used in low-speed applications. Unlike ball and roller bearings, sliding contact bearings have to be lubricated on both sides of the contacting surfaces to minimize wear and tear. Sliding-contact bearings generally are made of ceramics, brass, and polymers. Because of their lower friction, they are less accurate than rolling-element bearings.
Sliding-contact bearings are also known as plain or sleeve bearings. They have a sliding motion between their two surfaces, which is reduced by lubrication. This type of bearing is often used in rotary applications and as guide mechanisms. In addition to providing sliding action, sliding-contact bearings are self-lubricating and have high load-carrying capacities. They are typically available in two different types: plain bearings and thrust bearings.
Sliding-contact linear bearing systems consist of a moving structure (called the carriage or slide) and the surfaces on which the two elements slide. The surfaces on which the bearing and journal move are called rails, ways, or guides. A bore hole is a complex geometry, and a minimum oil film thickness h0 is usually used at the line of centers. It is possible to have a sliding-contact bearing in a pillow block.
Because these bearings are porous, they can absorb 15 to 30% of the lubrication oil. This material is commonly used in automobile and machine tools. Many non-metallic materials are used as bearings. One example is rubber, which offers excellent shock absorbency and embeddability. While rubber has poor strength and thermal conductivity, it is commonly used in deep-well pumps and centrifugal pumps. This material has high impact strength, but is not as rigid as steel.

China Single Row Crossed Roller Slewing Bearing     carrier bearingChina Single Row Crossed Roller Slewing Bearing     carrier bearing
editor by czh 2023-01-26