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Double direction thrust ball bearings
Double direction thrust ball bearings
Double direction thrust ball bearings
Double direction thrust ball bearings
Double direction thrust ball bearings

Thrust Ball Bearings

Double direction thrust ball bearings

Description：

Double direction thrust ball bearings are a type of bearing designed to accommodate axial loads in both directions. They consist of two grooved washers with ball raceways and two flat raceways in the housing bore. These bearings are separable, allowing for easy mounting and dismounting.

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Product Detail

Boundary dimensions
(mm)		 Load rating
(KN)		 Bearing number Limiting speed
(r/min)		 Abutment and fillet dimensions
(mm)		 Mass
(approx.)
(flat)
kg
d d1

min

 D H B r1,2

min

 r3.4

min

 Cr Cor Grease Oil da

min

 Da

max

 ra

max

 rb

max
10 17 32 22 5 0.6 0.3 13.4 14.5 52202 5300 7000 15 22 0.6 0.3 0.0818
15 22 40 26 6 0.6 0.3 21.1 23.9 52204 4500 6000 20 28 0.6 0.3 0.1410
15 27 60 45 11 1.0 0.6 55.4 59.8 52405 2600 3600 25 42 1.0 0.6 0.6410
20 27 47 28 7 0.6 0.3 27.7 36.3 52205 4000 5300 25 34 0.6 0.3 0.2070
20 27 52 34 8 1.0 0.3 35.7 42.1 52305 3400 4500 25 36 1.0 0.3 0.3300
20 32 70 52 12 1.0 0.6 72.2 81.0 52406 2000 3000 30 46 1.0 0.6 1.0000
25 32 52 29 7 0.6 0.3 29.3 43.8 52206 3600 4800 30 39 0.6 0.3 0.2490
25 32 60 38 9 1.0 0.3 47.1 57.2 52306 2800 3800 30 42 1.0 0.3 0.4700
25 37 80 59 14 1.1 0.6 86.4 102.0 52407 1800 2600 35 53 1.0 0.6 1.4500
30 37 62 34 8 1.0 0.3 39.1 58.6 52207 3000 4000 35 46 1.0 0.3 0.4030
30 42 68 36 9 1.0 0.6 47.0 74.1 52208 2800 3800 40 51 1.0 0.6 0.5290
30 37 68 44 10 1.0 0.3 55.4 73.9 52307 2400 3400 35 48 1.0 0.3 0.6800
30 42 78 49 12 1.0 0.6 68.9 95.8 52308 2000 3000 40 55 1.0 0.6 1.0500
30 42 90 65 15 1.1 0.6 112.0 133.0 52408 1700 2400 40 60 1.0 0.6 2.0500
35 47 73 37 9 1.0 0.6 47.5 81.5 52209 2600 3600 45 56 1.0 0.6 0.5970
35 47 85 52 12 1.0 0.6 79.5 118.0 52309 1900 2800 45 61 1.0 0.6 1.2500
35 47 100 72 17 1.1 0.6 130.0 240.0 52409 1600 2200 45 67 1.0 0.6 2.7000
40 52 78 39 9 1.0 0.6 54.4 94.4 52210 2400 3400 50 61 1.0 0.6 0.6850
40 52 95 58 14 1.1 0.6 96.2 146.0 52310 1800 2600 50 68 1.0 0.6 1.7500
40 52 110 78 18 1.5 0.6 159.0 310.0 52410 1400 2000 50 80 1.5 0.6 3.5100
45 57 90 45 10 1.0 0.6 69.4 123.0 52211 1900 2800 55 69 1.0 0.6 1.0900
45 57 105 64 15 1.1 0.6 126.0 189.0 52311 1600 2200 55 75 1.0 0.6 2.4000
45 57 120 87 20 1.5 0.6 178.0 360.0 52411 1300 1800 55 81 1.5 0.6 4.7000
50 62 95 46 10 1.0 0.6 70.6 133.0 52212 1900 2800 60 74 1.0 0.6 1.2000
Boundary dimensions
(mm)		 Load rating
(KN)		 Bearing number Limiting speed
(r/min)		 Abutment and fillet dimensions
(mm)		 Mass
(approx.)
(flat)
kg
d d1

min

 D H B r1,2

min

 r3.4

min

 Cr Cor Grease Oil da

min

 Da

max

 ra

max

 rb

max
50 62 110 64 15 1.1 0.6 129.0 209.0 52312 1600 2200 60 80 1.0 0.6 2.5500
50 62 130 93 21 1.5 0.6 199.0 400.0 52412 1100 1600 60 88 1.5 0.6 6.3500
50 68 140 101 23 2.0 1.0 216.0 450.0 52413 1000 1500 65 100 2.0 1.0 7.4100
55 67 100 47 10 1.0 0.6 72.0 144.0 52213 1800 2600 65 79 1.0 0.6 1.2900
55 72 105 47 10 1.0 1.0 76.0 162.0 52214 1800 2600 70 88 1.0 1.0 1.4400
55 67 115 65 15 1.1 0.6 139.0 229.0 52313 1500 2000 65 85 1.0 0.6 2.7500
55 72 125 72 16 1.1 1.0 161.0 268.0 52314 1400 1900 70 92 1.0 1.0 3.6500
55 73 150 107 24 2.0 1.0 234.0 500.0 52414 950 1400 70 110 2.0 1.0 8.9900
60 77 110 47 10 1.0 1.0 77.1 172.0 52215 1700 2400 75 89 1.0 1.0 1.5500
60 77 135 79 18 1.5 1.0 184.0 311.0 52315 1200 1700 75 99 1.5 1.0 4.8000
60 78 160 115 26 2.0 1.0 251.0 560.0 52415 900 1300 75 115 2.0 1.0 10.8000
65 82 115 48 10 1.0 1.0 86.4 193.0 52216 1700 2400 80 94 1.0 1.0 1.6400
65 82 140 79 18 1.5 1.0 189.0 339.0 52316 1200 1700 .80 104 1.5 1.0 4.9400
65 83 170 120 27 2.1 1.0 270.0 620.0 52416 850 1200 80 125 2.0 1.0 12.6000
65 88 180 128 29 2.1 1.1 286.0 680.0 52417 850 1200 85 130 2.0 1.0 15.4000
70 88 125 55 12 1.0 1.0 97.9 229.0 52217 1600 2200 85 101 1.0 1.0 2.4000
70 88 150 87 19 1.5 1.0 215.0 389.0 52317 1100 1600 85 115 1.5 1.0 6.3800
70 93 190 135 30 2.1 1.1 307.0 750.0 52418 800 1100 90 140 2.0 1.0 17.5000
75 93 135 62 14 1.1 1.0 125.0 277.0 52218 1500 2000 90 108 1.0 1.0 3.2000
75 93 155 88 19 1.5 1.0 232.0 410.0 52318 1000 1500 90 120 1.5 1.0 6.7900
80 103 210 150 33 3.0 1.1 345.0 775.0 52420M - - - - - - 25.3000
80 103 210 150 33 3.0 1.1 371.0 965.0 52420 700 950 100 155 2.5 1.0 26.8000
85 103 150 67 15 1.1 1.0 155.0 341.0 52220 1300 1800 100 125 1.0 1.0 4.2000

Boundary dimensions
(mm)		 Load rating
(KN)		 Bearing number Limiting speed
(r/min)		 Abutment and fillet dimensions
(mm)		 Mass
(approx.)
(flat)
kg
d d1
min		 D H B r1,2
min		 r3.4
min		 Cr Cor Grease Oil da
min		 Da
max		 ra
max		 rb
max
85 103 170 97 21 1.5 1.0 229.0 560.0 52320 950 1400 100 135 1.5 1.0 8.9500
90 113 230 166 37 3.0 1.1 377.0 900.0 53422 – – – – – – 33.4000
95 113 160 67 15 1.1 1.0 131.0 393.0 52222 2800 3700 110 130 1.0 1.0 4.5100
95 113 190 110 24 2.0 1.0 234.0 588.0 52322M – – – – – – 13.2000
95 113 190 110 24 2.0 1.0 234.0 588.0 52322 – – – – – – 12.9000
100 123 210 123 27 2.1 1.1 268.0 711.0 52324 – – – – – – 17.3000
120 143 200 81 18 1.5 1.1 174.0 543.0 52228M 700 950 140 164 1.5 1.0 8.6700
120 154 300 209 46 4.0 2.0 518.0 1479.0 53430 – – – – – – 70.3000
130 153 215 89 20 1.5 1.1 202.0 651.0 52230 – – – – – – 10.3000
130 154 250 140 31 2.1 2.1 330.0 1021.0 52330M 560 670 150 191 2.0 1.0 31.2000
130 154 250 140 31 2.1 2.1 330.0 1021.0 52330 560 670 150 191 2.0 1.0 29.4000
140 163 225 90 20 1.5 1.1 205.0 692.0 52232M 600 850 – – – – 11.8000
140 163 225 90 20 1.5 1.1 205.0 692.0 52232 590 820 160 186 1.5 1.0 11.7000
150 183 250 98 21 1.5 2.0 227.0 825.0 52236M 520 800 – – – – 15.6000
150 183 250 98 21 1.5 2.0 227.0 825.0 52236 520 800 180 208 1.5 2.0 14.3000
150 184 300 165 37 3.0 2.0 396.0 1436.0 52336M – – 180 208 1.5 2.0 48.8000
160 194 270 109 24 2.0 2.0 275.0 1019.0 52238 – – – – – – 21.4000
160 194 270 109 24 2.0 2.0 275.0 1019.0 38238K – – – – – – 20.9000
170 204 280 109 24 2.0 2.0 271.0 1029.0 52240 – – – – – – 22.1000
300 340 400 80 18 1.8 1.3 129.0 810.0 38768 – – – – – – 21.1000
570 615 700 90 20 3.0 1.3 139.0 1073.0 387/615 – – – – – – 53.7000



Basic dimensions
(mm)		 Basic load rating
(KN)		 Limiting speed
(r/min)		 Bearing number Dimentions Abutment and fillet dimensions
(mm)		 Mass
kg
d(mm) D(mm) H(mm) rmin r1min Cr Cor Grease Oil d1 D1 da(min) Da(max) ra(max) rb(max)
570 700 90 3 1.3 291 2147 – – – 615 20 – – – – 53.7
1049.5 1270 220 3 5 1222 9950 – – 5627/1050 1180 – – – – – 392


Basic dimensions Basic load rating
(KN)		 Bearing number Dimentions Abutment and fillet dimensions
(mm)		 Weight
kg
d(mm) D(mm) H(mm) rmin r1min Cr Cor D1 D2 D3 B C H1 R S da(min) Da(max) ra(max) rb(max)
30 68 47.2 1 0.3 55.9 74.0 54307+U307 37 52 72 10 7.5 52 56 21 35 52 1 0.3 0.909
40 64 35.4 0.6 0.6 24.7 50.0 54208+U208 42 48 69 7 7 42 50 20.9 40 55 1 0.6 0.563
85 170 105.4 1.5 1 276 513 54320+U320 103 135 175 21 18 115 125 42 – – – – 10.8
85 170 105.4 1.5 1 276 513 54320M+U320 103 – – 21 – – 125 42 – – – – 8.93
100 210 131.2 2.1 2.1 378 630 54324M+U324 123 165 220 27 22 143 160 58 – – – – 23.0
100 210 131.2 2.1 2.1 378 630 54324+U324 123 165 220 27 22 143 160 58 – – – – 22.2

Thrust Ball Bearings

Single direction thrust ball bearings

Single direction thrust ball bearings
Double direction thrust ball bearings

Double direction thrust ball bearings
Single direction thrust ball bearings with sphered housing washers

Single direction thrust ball bearings with sphered housing washers
About us
Ningbo Demy (D&M) Bearings Co., Ltd.
Ningbo Demy (D&M) Bearings Co., Ltd.
Ningbo Demy (D&M) Bearings Co., Ltd. is professional China Double direction thrust ball bearings Suppliers and Wholesale Double direction thrust ball bearings Manufacturers.Located on the coast of Eastern China, in the beautiful and ancient city of Ningbo, is a rising star enterprise, Ningbo Demy (D&M) Bearings Co., LTD. Its subsidiary company – Ningbo Giant Bearing manufacturing Co., Ltd specializes in high class quality bearings for industrial and automotive applications.
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Thrust Ball Bearings Industry knowledge

Double direction thrust ball bearings bidirectional advantage

Double Direction Thrust Ball Bearings bidirectional refers to its ability to allow rotating parts to move freely in two opposite directions. This design allows the bearing to maintain stable performance under different working conditions and meet the needs of various complex transmission systems. The importance of bidirectionality lies in that it provides greater flexibility and adaptability, making the bearing more reliable and efficient when dealing with different loads and working conditions.

The bidirectional design of the double direction thrust ball bearing allows it to bear and transmit axial loads in two directions. This means that during the movement of the rotating part, no matter how its movement direction changes, the bearing can provide stable support and transmission effects. This flexibility makes the double direction thrust ball bearing have a wide range of application prospects in mechanical equipment that needs to change the direction of movement frequently. Since the double direction thrust ball bearing allows the rotating part to move freely in two directions, it can better adapt to various complex working conditions and load changes. Whether in heavy load, high speed or high precision transmission system, the double direction thrust ball bearing can maintain stable performance and ensure the normal operation of mechanical equipment. This good adaptability makes the double direction thrust ball bearing widely used in various industrial fields. The bidirectional design of double-direction thrust ball bearings can reduce the additional friction and resistance caused by changes in direction, thereby reducing energy consumption and improving work efficiency. In mechanical equipment, this advantage can be converted into higher production efficiency and lower operating costs. Since double-direction thrust ball bearings can maintain stable performance, they can also reduce downtime and maintenance costs caused by bearing damage. Traditional single-direction thrust ball bearings need to cooperate with other bearings or mechanisms to achieve bidirectional motion, while double-direction thrust ball bearings do not need to do so. This simplification in design can not only reduce the manufacturing cost of mechanical equipment, but also reduce the complexity of installation and maintenance. For designers and engineers, the use of double-direction thrust ball bearings can more easily realize complex transmission system designs.
In some applications, such as aerospace and high-speed trains, the safety and reliability requirements of bearings are extremely high. The bidirectional design of double-direction thrust ball bearings can ensure that rotating parts can still maintain a stable motion state in an emergency, avoiding accidents caused by changes in direction. This design that improves safety makes double-direction thrust ball bearings widely used in these fields.