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External Snap Retaining Rings for Shaft Bearings-DIN5417 Suppliers

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External Snap Retaining Rings for Shaft Bearings-DIN5417

A external snap retaining rings for shaft bearings is a device used to prevent the bearing from operating in the bearing housing run, its main role is to fix the bearing, not braking, this type of inner diameter of the week is rounded, to better fix, the installation of the stop ring groove also need to have the same rounded with the inner diameter of the stop ring.

d1: specification/nominal size; S: thickness; d3: inner diameter; ≈e: opening; r: inner diameter R angle; b: shoulder width; Wt: weight; FN: groove bearing capacity; FR: retaining ring bearing capacity (right angle); g: chamfer size; FRg: retaining ring bearing capacity (chamfer); nabl: limit speed;

External Snap Retaining Rings for Shaft Bearings-DIN5417

d1 S Tol d3 Tol e（≈） r（Min） b Tol Wt(g) d2 Tol m Tol FN(KN) FR(KN) g FRg(KN) n abl
30
1.12
–0.1
27.4
+0.4
3
0.4
3.25
–0.15
2.8
28.17
–0.25
1.35
0.3
13.7
16.6
2
2.91
16
32
1.12
–0.1
29.4
+0.4
3
0.4
3.25
–0.15
3
30.15
–0.25
1.35
0.3
14.6
14.6
2
2.57
13
35
1.12
–0.1
32.4
+0.4
3
0.4
3.25
–0.15
3.2
33.17
–0.25
1.35
0.3
16
13.4
2
2.42
11
37
1.12
–0.1
34
+0.4
3
0.4
3.25
–0.15
3.4
34.77
–0.25
1.35
0.3
20.7
13.6
2
2.45
10
40
1.12
–0.1
37.3
+0.4
3
0.4
3.25
–0.15
3.6
38.1
–0.25
1.35
0.3
19.3
13.5
2
2.5
8
42
1.12
–0.1
38.9
+0.5
3
0.4
3.25
–0.15
3.8
39.75
–0.25
1.35
0.3
23.5
12.9
2
2.39
7
44
1.12
–0.1
40.9
+0.5
3
0.4
3.25
–0.15
4
41.75
–0.25
1.35
0.3
24.6
12.4
2
2.29
7
47
1.12
–0.1
43.7
+0.5
4
0.4
4.04
–0.15
5.3
44.6
–0.25
1.35
0.3
28.8
12.1
2
2.29
7
50
1.12
–0.1
46.7
+0.5
4
0.4
4.04
–0.15
5.8
47.6
–0.25
1.35
0.3
30.6
13.3
2
2.6
6
52
1.12
–0.1
48.8
+0.5
4
0.4
4.04
–0.15
5.9
49.73
–0.25
1.35
0.3
31.6
12.8
2.5
2.01
6
55
1.12
–0.1
51.7
+0.5
4
0.4
4.04
–0.15
6.2
52.6
–0.25
1.35
0.3
33.8
11.8
2.5
1.9
5
56
1.12
–0.1
52.4
+0.8
4
0.4
4.04
–0.15
6.5
53.6
–0.25
1.35
0.3
34.5
12.1
2.5
1.95
5
58
1.12
–0.1
54.4
+0.8
4
0.4
4.04
–0.15
6.7
55.6
–0.25
1.35
0.3
35.6
11.5
2.5
1.89
5
62
1.7
–0.1
58.2
+0.8
4
0.6
4.04
–0.15
10.5
59.61
–0.50
1.9
0.3
38.1
37.6
2.5
6.18
5
65
1.7
–0.1
61.2
+0.8
4
0.6
4.04
–0.15
11
62.6
–0.50
1.9
0.3
40
34.9
2.5
5.89
4
68
1.7
–0.1
63.4
+0.8
5
0.6
4.85
–0.15
12.6
64.82
–0.50
1.9
0.3
55.5
40.9
2.5
7.06
4
72
1.7
–0.1
67.4
+0.8
5
0.6
4.85
–0.15
14.7
68.81
–0.50
1.9
0.3
59
38.9
2.5
6.71
4
75
1.7
–0.1
70.4
+0.8
5
0.6
4.85
–0.15
15.3
71.83
–0.50
1.9
0.3
61.5
36.6
2.5
6.46
3
80
1.7
–0.1
75.4
+0.8
5
0.6
4.85
–0.15
16.3
76.81
–0.50
1.9
0.3
65.7
34.8
3
5.25
3
85
1.7
–0.1
80.4
+0.8
5
0.6
4.85
–0.15
17.5
81.81
–0.50
1.9
0.3
70
33.5
3
5.16
3
90
2.46
–0.1
85.4
+0.8
5
0.7
4.85
–0.15
26.6
86.79
–0.50
2.7
0.3
74
93.9
3
14.8
2
95
2.46
–0.1
90.4
+0.8
5
0.7
4.85
–0.15
28.2
91.82
–0.50
2.7
0.3
76.3
86.8
3.5
12
2
100
2.46
–0.1
95.2
+1
5
0.7
4.85
–0.15
29.2
96.8
–0.50
2.7
0.3
82.5
80.8
3.5
11.4
2
110
2.46
–0.1
105.2
+1
5
0.7
4.85
–0.15
32.8
106.81
–0.50
2.7
0.3
90.7
71.2
3.5
10.4
1
115
2.46
–0.1
110.2
+1
5
0.7
4.85
–0.15
34.4
111.81
–0.50
2.7
0.3
97.7
66.6
3.5
10
1
120
2.82
–0.1
113.6
+1
7
0.7
7.21
–0.15
60.6
115.21
–0.50
3.1
0.3
143
140
3.5
21.3
2
125
2.82
–0.1
118.6
+1
7
0.7
7.21
–0.15
63
120.22
–0.50
3.1
0.3
155
132
4
17.9
2
130
2.82
–0.1
123.6
+1
7
0.7
7.21
–0.15
65.6
125.22
–0.50
3.1
0.3
166
124.7
4
17.3
1
140
2.82
–0.1
133
+1.6
7
0.7
7.21
–0.15
70.6
135.23
–0.50
3.1
0.3
180
111.6
4
16
1
145
2.82
–0.1
138
+1.6
7
0.7
7.21
–0.15
73
140.23
–0.50
3.1
0.3
186
106.4
4
15.5
1
150
2.82
–0.1
142.9
+1.6
7
0.7
7.21
–0.15
77.2
145.24
–0.50
3.1
0.3
193
101.5
4
15
1
160
2.82
–0.1
152.9
+1.6
7
0.7
7.21
–0.15
81
155.22
–0.50
3.1
0.3
206
92
4
14.1
1
170
3.1
–0.1
161.3
+1.6
10
0.7
9.6
–0.15
122
163.65
–0.50
3.5
0.3
283
148
5
18.7
1
180
3.1
–0.1
171.2
+1.6
10
0.7
9.6
–0.15
128
173.66
–0.50
3.5
0.3
292
135
5
17.7
1
190
3.1
–0.1
181
+1.8
10
0.7
9.6
–0.15
139
183.64
–0.50
3.5
0.3
311
124
5
16.7
1
200
3.1
–0.1
191
+1.8
10
0.7
9.6
–0.15
148
193.65
–0.50
3.5
0.3
336
116
5
16
1
210
3.1
–0.1
200.9
+1.8
10
1.2
9.6
–0.15
156
203.6
–0.50
3.5
0.3
356
106
6
12.7
1
215
3.1
–0.1
205.9
+1.8
10
1.2
9.6
–0.15
160
208.6
–0.50
3.5
0.3
376
103
6
12.4
1
225
3.5
–0.1
214.3
+1.8
10
1.2
10
–0.15
196
217
–0.50
4.5
0.4
462
144
6
17.9
1
230
3.5
–0.1
219.2
+1.8
10
1.2
10
–0.15
200
222
–0.50
4.5
0.4
473
139.1
6
17.5
1
240
3.5
–0.1
229.2
+1.8
10
1.2
10
–0.15
209
232
–0.50
4.5
0.4
495
130
6
16.8
0.5
250
3.5
–0.1
239.2
+1.8
10
1.2
10
–0.15
220
242
–0.50
4.5
0.4
514
122
6
16.1
0.5
260
3.5
–0.1
247.5
+2.5
10
1.2
10
–0.30
230
252
–0.50
4.5
0.4
536
114
6
15.5
0.5
270
3.5
–0.1
257.5
+2.5
10
1.2
10
–0.30
240
262
–0.50
4.5
0.4
556
107
6
14.9
0.5
280
3.5
–0.1
267.5
+2.5
10
1.2
10
–0.30
250
272
–0.50
4.5
0.4
578
101
6
14.4
0.5
290
3.5
–0.1
277.5
+2.5
10
1.2
10
–0.30
260
282
–0.50
4.5
0.4
598
95.4
6
13.9
0.4
300
4.5
–0.2
284.5
+2.5
10
1.5
12
–0.30
400
290
–0.50
5.5
0.5
694
230
7
34.2
0.6
310
4.5
–0.2
294
+3
10
1.5
12
–0.30
412
300
–0.50
5.5
0.5
800
218
7
28.4
0.5
320
4.5
–0.2
304
+3
10
1.5
12
–0.30
420
310
–0.50
5.5
0.5
824
207
7
27.6
0.5
340
4.5
–0.2
324
+3
10
1.5
12
–0.30
446
330
–0.50
5.5
0.5
875
187
7
26
0.4
360
4.5
–0.2
343
+3
10
1.5
12
–0.30
475
350
–0.50
5.5
0.5
930
169
7
24.5
0.4
370
4.5
–0.2
353
+3
10
1.5
12
–0.30
485
360
–0.50
5.5
0.5
955
162
7
23.8
0.4
380
4.5
–0.2
363
+3
10
1.5
12
–0.30
500
370
–0.50
5.5
0.5
955
154
7
23.2
0.4
400
4.5
–0.2
383
+3
10
1.5
12
–0.30
525
390
–0.50
5.5
0.5
1040
144
7
22.1
0.3
About Us
Anhui Ningguo Dongbo Fastener Co., Ltd.
Dongbo was established in September 2005 with a registered capital of 47.72 million. It is located in the national Ningguo Economic and Technological Development Zone, covers an area of ​​91 acres, and currently has more than 420 employees. As a Custom External Snap Retaining Rings for Shaft Bearings-DIN5417 Suppliers and External Snap Retaining Rings for Shaft Bearings-DIN5417 Company, the company has been focusing on the production of retaining rings for 46 years, producing washers (round, butterfly, spherical), retaining rings, elastic cylindrical pins and other series of products and non-standard customized stamping parts. It is a high-tech enterprise with large scale, multiple varieties, complete specifications, and integrated manufacturing, R&D and sales in the industry.
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External Snap Retaining Rings for Shaft Bearings-DIN5417 Industry knowledge

The Science Behind DIN5417 Retaining Rings: Fixing Bearings with Rounded Inner Diameters

Retaining rings, such as the DIN5417, serve a simple yet vital purpose: they prevent bearings from moving within their housings or along shafts. Unlike braking mechanisms, which control motion, retaining rings focus on fixation—ensuring that components remain securely in place during operation. This stability is crucial for maintaining alignment, reducing wear and tear, and preventing costly downtime.

One of the standout features of the DIN5417 retaining ring is its rounded inner diameter . This design element is not merely aesthetic; it serves a functional purpose. The rounded inner diameter allows the retaining ring to fit snugly into a correspondingly rounded groove on the shaft, creating a secure and stable connection. This design minimizes stress concentrations and ensures even distribution of forces, enhancing the durability and reliability of the assembly.

The Science of Rounded Inner Diameters
The rounded inner diameter of the DIN5417 retaining ring is a testament to the importance of material science and engineering in fastener design. Here’s why this feature is so significant:

Improved Load Distribution :
A rounded inner diameter reduces sharp edges that could create stress points. By distributing loads evenly across the contact surface, the retaining ring can better withstand dynamic forces and vibrations.
Enhanced Grip and Stability :
The rounded profile ensures a tighter fit within the groove, minimizing the risk of slippage or misalignment. This is particularly important in high-speed or heavy-load applications where precision is critical.
Compatibility with Modern Manufacturing Techniques :
The rounded design aligns perfectly with advanced machining processes used to create grooves on shafts. This compatibility ensures seamless integration and consistent performance across assemblies.
Increased Lifespan :
By reducing stress concentrations and improving load-bearing capabilities, the rounded inner diameter contributes to the overall longevity of both the retaining ring and the components it secures.

At Anhui Ningguo Dongbo Fastener Co., Ltd., we have been perfecting the art and science of fastener production for over 46 years. Established in September 2005 and headquartered in the prestigious Ningguo Economic and Technological Development Zone, our company has grown into a leader in the fastener industry. With a registered capital of 47.72 million, a sprawling 91-acre facility, and a team of over 530 skilled employees, we are equipped to deliver products that meet the highest standards of quality and performance.

Our DIN5417 External Snap Retaining Rings stand out for several reasons:
Precision Manufacturing : Each retaining ring is crafted using state-of-the-art technology and undergoes rigorous quality checks to ensure dimensional accuracy and consistency.
Material Excellence : We use premium-grade materials that offer exceptional strength, corrosion resistance, and durability, making our products suitable for a wide range of environments.
Customization Capabilities : Whether you need standard parts or bespoke solutions tailored to specific requirements, our team has the expertise to deliver.
Comprehensive Support : From initial consultation to after-sales service, we provide end-to-end support to ensure your satisfaction.
Innovation Driven by Customer Needs
At Dongbo, we believe that innovation begins with understanding the challenges faced by our customers. Our technical development team is dedicated to creating solutions that address real-world problems. The DIN5417 External Snap Retaining Rings for Shaft Bearings is a prime example of this commitment. Its rounded inner diameter and robust design reflect our dedication to providing products that not only meet but exceed expectations.

From mass-produced standard parts to fully customized components, we offer a diverse portfolio of products designed to cater to industries ranging from automotive and aerospace to heavy machinery and consumer goods. Our ability to adapt to evolving market demands sets us apart as a trusted partner for businesses worldwide.

Looking Ahead: The Future of Retaining Ring Technology
As industries continue to advance, the demand for innovative fastening solutions will only grow. At Dongbo, we remain committed to pushing the boundaries of what’s possible. Our ongoing investment in R&D ensures that we stay at the forefront of technological advancements, delivering products that combine precision, durability, and efficiency.

The DIN5417 External Snap Retaining Ring represents just one milestone in our journey toward excellence. With its rounded inner diameter and superior performance, it embodies the science and craftsmanship that define our brand.