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Series 223-Spherical Roller Bearings OEM/ODM

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Series 223-Spherical Roller Bearings

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  • Design Variants
  • Tolerance
  • Internal clearance
Model Dimensions Rated load Extreme speed Calculation factor Weight
d D B r1,r2 min Dynamic load Static load Grease lubrication Oil lubrication e Y1 Y2 Yo [kg]
22308c
40
90
33
 1.5 140 145 4300 5600 0.4 1.6 2.5 2 1.1
22308ck
40
90
33
 1.5 140 145 4300 5600 0.4 1.6 2.5 2 1.1
22309c
45
100
36
 1.5 165 190 3800 5000 0.4 1.7 2.5 1.6 1.36
22309ck
45
100
36
 1.5 165 190 3800 5000 0.4 1.7 2.5 1.6 1.36
22310c
50
110
40
 2 190 220 3400 4500 0.4 1.7 2.5 1.6 1.82
22310ck
50
110
40
 2 190 220 3400 4500 0.4 1.7 2.5 1.6 1.82
22311c
55
120
43
 2 230 265 3000 4000 0.4 1.7 2.5 1.6 2.31
22311ck
55
120
43
 2 230 265 3000 4000 0.4 1.7 2.5 1.6 2.31
22312c
60
130
46
 2.1 270 320 2800 3800 0.4 1.7 2.5 1.7 2.93
22312ck
60
130
46
 2.1 270 320 2800 3800 0.4 1.7 2.5 1.7 2.93
22313c
65
140
48
 2.1 305 360 2800 3600 0.39 1.7 2.6 1.7 3.54
22313ck
65
140
48
 2.1 305 360 2800 3600 0.39 1.7 2.6 1.7 3.54
22314c
70
150
51
 2.1 325 375 2400 3200 0.38 1.8 2.6 1.7 4.19
22314ck
70
150
51
 2.1 325 375 2400 3200 0.38 1.8 2.6 1.7 4.19
22315c
75
160
55
 2.1 375 440 2200 3000 0.38 1.9 2.6 1.7 5.21
22315ck
75
160
55
 2.1 375 440 2200 3000 0.38 1.9 2.6 1.7 5.21
22316c
80
170
58
 2.1 410 500 1800 2400 0.35 1.9 0.9 1.8 6.2
22316ck
80
170
58
 2.1 410 500 1800 2400 0.35 1.9 0.9 1.8 6.2
22317c
85
180
60
 3 500 620 1800 2400 0.33 2 3 2 7.1
22317ck
85
180
60
 3 500 620 1800 2400 0.33 2 3 2 7.1
22318c
90
190
64
 3 510 620 1800 2400 0.36 1.9 2.8 1.8 8.44
22318ck
90
190
64
 3 510 620 1800 2400 0.36 1.9 2.8 1.8 8.44
22319c
95
200
67
 3 580 700 1700 2200 0.35 1.9 2.9 1.8 9.77
22319ck
95
200
67
 3 580 700 1700 2200 0.35 1.9 2.9 1.8 9.77
22320c
100
215
73
 3 730 960 1500 2000 0.33 2 3 2 12.6
22320ck
100
215
73
 3 730 960 1500 2000 0.33 2 3 2 12.6
22322M
110
240
80
 3 800 1060 1400 1900 0.37 1.8 2.7 1.8 17.5
22322K.MB
110
240
80
 3 800 1060 1400 1900 0.37 1.8 2.7 1.8 17.5
22324M
120
260
86
 3 900 1400 1300 1700 0.36 1.8 2.7 1.8 21.9
22324K.MB
120
260
86
 3 900 1400 1300 1700 0.36 1.8 2.7 1.8 21.9
22326M
130
280
93
 4 1040 1340 1200 1600 0.37 1.8 2.7 1.8 27.1
22326K.MB
130
280
93
 4 1040 1340 1200 1600 0.37 1.8 2.7 1.8 27.1
22328M
140
300
102
 4 1220 1600 1100 1400 0.38 1.7 2.6 1.7 34.1
22328K.MB
140
300
102
 4 1220 1600 1100 1400 0.38 1.7 2.6 1.7 34.1
22330M
150
320
108
 4 1370 1830 1100 1500 0.38 1.7 2.6 1.7 40.9
22330K.MB
150
320
108
 4 1370 1830 1100 1500 0.38 1.7 2.6 1.7 40.9
22332M
160
340
114
 4 1430 1900 1000 1300 0.37 1.8 2.7 1.8 51.1
22332K.MB
160
340
114
 4 1430 1900 1000 1300 0.37 1.8 2.7 1.8 51.1
22334M
170
360
120
 4 1600 2120 900 1200 0.37 1.8 2.7 1.8 59.7
22334K.MB
170
360
120
 4 1600 2120 900 1200 0.37 1.8 2.7 1.8 59.7
22336M
180
380
126
 4 1750 2360 850 1100 0.37 1.8 2.7 1.8 69.4
22336K.MB
180
380
126
 4 1750 2360 850 1100 0.37 1.8 2.7 1.8 69.4
22338M
190
400
132
 5 1860 2500 750 1000 0.37 1.8 2.7 1.8 81.2
22338K.MB
190
400
132
 5 1860 2500 750 1000 0.37 1.8 2.7 1.8 81.2
22340M
200
420
138
 5 1910 2750 670 900 0.36 1.8 2.8 1.8 91.8
22340K.MB
200
420
138
 5 1910 2750 670 900 0.36 1.8 2.8 1.8 91.8
22344C
220
460
145
 5 2380 3407 700 950 0.36 1.8 2.8 1.8 120
22344CK
220
460
145
 5 2380 3407 700 950 0.36 1.8 2.8 1.8 120
22348M
240
500
155
 5 2650 4000 560 750 0.31 2.2 3.3 2.2 151
22348K.MB
240
500
155
 5 2650 4000 560 750 0.31 2.2 3.3 2.2 151
22352CK
260
540
165
 6 3125 4560 600 800 0.36 1.8 2.8 1.8 187
22352CK
260
540
165
 6 3125 4560 600 800 0.36 1.8 2.8 1.8 187
223560C
280
580
175
 6 3530 5208 560 750 0.36 1.8 2.8 1.8 235
22356CK
280
580
175
 6 3530 5208 560 750 0.36 1.8 2.8 1.8 235

Ningbo DHK Precision Bearing Co., Ltd.

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    Customer Service

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    Patented Technology

Ningbo DHK Precision Bearing Co., Ltd. (“DHK” for short) is a specialist enterprise engaged in the R&D, manufacture and sales of bearings. Is a famous China Series 223-Spherical Roller Bearings Factory and OEM/ODM Series 223-Spherical Roller Bearings Company. And is located in Ningbo Zhenhai Economic Development Zone with convenient transportation. Since the establishment for over a decade, "technology", "quality" and "service" have always been the initial issues in our mind for the sake of development. We provide reliable products and special customized services for global enterprises in heavy industry and have got the Satisfaction and won good reputation of a number of enterprises at home and abroad.

DHK mainly produces cylindrical roller bearings, conical roller bearings, self-aligning roller bearings, ball bearings, as well as various kinds of non-standard bearings and bearings with specially treated surface. So far, DHK’s bearings have been widely applied in such fields as engineering machinery, industrial pump, machine tool, compression engine, gear case, wind power and metallurgy in developed European and American countries.

DHK has the measuring room and inspection room of bearings in the industry and has introduced top-end inspection equipment worldwide and established the QC system in China,thus guaranteeing product quality in an all-round way.

Ningbo DHK Precision Bearing Co., Ltd.

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CERTIFICATE

DHK has passed IATF16949 quality system certification and ISO14001 environmental management system certification；and DHK is a national high-tech enterprise.

  • Honor
  • Honor
  • Environmental Managementsystem Certificate
  • Measurement Management System
  • Invention patent1
  • Invention patent2
  • Invention patent3
  • High-tech enterprises

Latest News

Industry Knowledge Expansion

1. Center Flange for Enhanced Stability
The incorporation of a center flange in Series 223-Spherical Roller Bearings represents a fundamental innovation aimed at elevating stability and optimizing load distribution. Stability lies at the heart of efficient bearing performance, especially in applications subject to high radial and axial loads. The center flange plays a pivotal role in maintaining precise alignment between the inner and outer rings, ensuring uniform contact between bearing elements. This alignment minimizes the risk of misalignment-induced stress concentrations, thereby enhancing the bearing's resistance to premature wear and fatigue failure. The center flange serves as a robust platform for the rollers, providing essential support and guidance as they navigate the demands of dynamic motion. By distributing loads more evenly across the bearing's components, this feature mitigates the risk of localized stress points, promoting smoother operation and extending the bearing's service life. In high-speed applications, where centrifugal forces can exacerbate the challenges of load distribution and stability, the center flange emerges as a critical safeguard against performance degradation. Its presence helps to counteract the disruptive effects of dynamic forces, allowing Series 223-Spherical Roller Bearings to maintain their operational integrity even at elevated speeds. The center flange facilitates ease of installation and maintenance, providing a reference point for aligning the bearing within the housing assembly. This feature streamlines the assembly process, reducing downtime and enhancing overall operational efficiency.

2. Innovative Design Features
At the core of Series 223-Spherical Roller Bearings lies a design philosophy that prioritizes innovation and functionality. This begins with the incorporation of a center flange, strategically positioned to enhance stability and promote uniform load distribution. By maintaining precise alignment, even under extreme conditions, this feature mitigates the risk of premature wear and ensures consistent performance over the bearing's lifespan. The asymmetrical rollers further underscore the innovative design of Series 223-Spherical Roller Bearings. Unlike conventional bearings with symmetrical rollers, this asymmetrical arrangement optimizes load distribution, reduces friction, and minimizes heat generation. As a result, these bearings exhibit enhanced efficiency and reliability, even in high-speed applications where dynamic loads are prevalent. The utilization of a two-piece inner ring riding on machined solid brass cages represents a significant advancement in bearing technology. This configuration not only improves alignment and reduces stress concentration but also enhances the bearing's ability to withstand heavy radial and axial loads. The machined solid brass cages add another layer of durability, ensuring reliable performance even in the harshest operating environments.