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Series 213-Spherical Roller Bearings OEM/ODM

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Series 213-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]
21304c
20
52
15
 1.1 36.5 33.5 8500 10000 0.3 2.3 3.3 2 0.16
21305c
25
62
17
 1.1 44 43 7000 9000 0.28 2.4 3.6 2.4 0.25
21306c
30
72
19
 1.1 62 63 6000 7500 0.27 2.5 3.7 2.4 0.39
21307c
35
80
21
 1.5 71 73.5 5300 6700 0.26 2.6 3.8 2.5 0.5
21307ck
35
80
21
 1.5 71 73.5 5300 6700 0.26 2.6 3.8 2.5 0.5
21308c
40
90
23
 1.5 99 120 4500 6000 0.26 2.6 3.9 2.6 0.7
21308ck
40
90
23
 1.5 99 120 4500 6000 0.26 2.6 3.9 2.6 0.7
21309c
45
100
25
 1.5 120 135 4000 5300 0.26 2.6 3.9 2.6 0.95
21309ck
45
100
25
 1.5 120 135 4000 5300 0.26 2.6 3.9 2.6 0.95
21310c
50
110
27
 2 120 130 3600 4800 0.24 2.8 4.1 2.7 1.25
21310ck
50
110
27
 2 120 130 3600 4800 0.24 2.8 4.1 2.7 1.25
21311c
55
120
29
 2 135 155 3200 4300 0.24 2.8 4.1 2.7 1.65
21311ck
55
120
29
 2 135 155 3200 4300 0.24 2.8 4.1 2.7 1.65
21312c
60
130
31
 2.1 150 180 3000 4000 0.24 2.9 4.3 2.8 1.95
21312ck
60
130
31
 2.1 150 180 3000 4000 0.24 2.9 4.3 2.8 1.95
22213c
60
120
31
 1.5 180 220 3000 4000 0.28 2.4 3.7 2.4 1.44
22213ck
60
120
31
 1.5 180 220 3000 4000 0.28 2.4 3.7 2.4 1.44
21313c
65
140
33
 2.1 196 228 2800 3800 0.24 2.8 4.2 2.8 2.45
21313ck
65
140
33
 2.1 196 228 2800 3800 0.24 2.8 4.2 2.8 2.45
21314c
70
150
35
 2.1 250 310 2600 3400 0.23 2.9 4.4 2.9 3.1
21314ck
70
150
35
 2.1 250 310 2600 3400 0.23 2.9 4.4 2.9 3.1
21315c
75
160
37
 2.1 280 360 2400 3200 0.23 2.9 4.4 2.9 3.55
21315ck
75
160
37
 2.1 280 360 2400 3200 0.23 2.9 4.4 2.9 3.55
21316c
80
170
39
 2.1 275 340 2200 3000 0.23 2。9 4.4 2.9 4.25
21316ck
80
170
39
 2.1 275 340 2200 3000 0.23 2.9 4.4 2.9 4.25
21317c
85
180
41
 3 350 450 2200 2800 0.22 3 4.5 2.9 5.1
21317ck
85
180
41
 3 350 450 2200 2800 0.22 3 4.5 2.9 5.1
21318c
90
190
43
 3 335 415 2200 2800 0.22 3 4.5 2.9 5.8
21318ck
90
190
43
 3 335 415 2200 2800 0.22 3 4.5 2.9 5.8
21319c
95
200
45
 3 360 450 2000 2600 0.22 3 4.5 3 7.43
21319ck
95
200
45
 3 360 450 2000 2600 0.22 3 4.5 3 7.43

Ningbo DHK Precision Bearing Co., Ltd.

  • 0+

    Years Experience Working

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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 213-Spherical Roller Bearings Factory and OEM/ODM Series 213-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. Advantages of Series 213 Bearings
Series 213-Spherical Roller Bearings offer a host of advantages over traditional bearing designs, making them the preferred choice for critical applications across various industries.
a)Superior Load-Carrying Capacity: The symmetric spherical rollers and center loose rib design of Series 213 bearings enable them to distribute radial and axial loads evenly, maximizing load-carrying capacity and extending bearing life. This capability allows for the efficient operation of equipment under heavy loads without compromising performance or reliability.
b)Reduced Friction and Heat Generation: The precision engineering of Series 213 bearings minimizes friction between moving components, resulting in reduced energy consumption and heat generation. This not only contributes to lower operating temperatures but also enhances the overall efficiency and longevity of the bearing system, reducing maintenance requirements and associated costs.
c)Enhanced Shock Absorption: The inherent flexibility of Series 213 bearings allows them to absorb shock and vibration from external sources, protecting sensitive equipment and components from damage. This shock-absorbing capability enhances the reliability and durability of the bearing system, particularly in applications subject to high impact loads or dynamic forces.
d)Extended Service Life: Series 213 bearings are designed and manufactured to stringent quality standards, ensuring consistent performance and durability over their operational lifespan. Their ability to withstand harsh operating conditions, combined with minimal maintenance requirements, results in extended service intervals and lower total cost of ownership for end-users.

2. Versatile Applications
Series 213-Spherical Roller Bearings find application across a diverse range of industries and operational scenarios, owing to their exceptional performance characteristics and versatility. From heavy-duty machinery and industrial processing equipment to precision instruments and automotive systems, these bearings play a vital role in facilitating smooth and reliable motion control.
a)Heavy Machinery: In heavy machinery applications such as mining, construction, and material handling, Series 213 bearings excel in supporting heavy radial and axial loads while accommodating shaft misalignment. Their robust construction and ability to withstand harsh operating conditions make them indispensable for ensuring the uninterrupted operation of critical equipment in these industries.
b)Automotive and Aerospace: In the automotive and aerospace sectors, where precision, reliability, and efficiency are paramount, Series 213 bearings find use in various components and systems. From engine components and transmissions to landing gear and flight control mechanisms, these bearings deliver superior performance, contributing to the safety, efficiency, and performance of vehicles and aircraft.
c)Industrial Processing: In industrial processing environments such as steel mills, paper mills, and chemical plants, Series 213 bearings provide reliable support for rotating equipment such as pumps, fans, and compressors.