The above is for reference only, and the actual parameters are subject to material.
Double row deep groove ball bearing
Double Row Deep Groove Ball Bearings correspond in their structure and function to a pair of single row deep groove ball bearings. They are designed for high to very high speeds and are used where the load carrying capacity of single row deep groove ball bearings is not sufficient. Double row deep groove ball bearings are wider than single row deep groove ball bearings of the same bore and outside diameter but have a significantly higher load carrying capacity.
Sealing: Double row deep groove ball bearings are not sealed
Lubrication: The bearings are open and are greased using a high quality grease
Operating Temperature: Open deep groove ball bearings can be used up to an operating temperature of +120℃
Bearing No.
Bearing
d
D
B
4200
10
30
14
4201
12
32
14
4202
15
35
14
4203
17
40
16
4204
20
47
18
4205
25
52
18
4206
30
62
20
4207
35
72
23
4208
40
80
23
4209
45
85
23
4210
50
90
23
4211
55
100
25
4212
60
110
28
4213
65
120
31
4214
70
125
31
4215
75
130
31
4216
80
140
33
4217
85
150
36
4218
90
160
40
Product Show
Application:
Used in many areas such as: Metallurgy, Mining, Papermaking, Oil & Gas, Water power, Electric Power, Spinning, Agriculture, Crane, etc.
Our Service
1. Timely Pre-Sale Service
2. Competitive price
3. More complete models
4. Punctual delivery
5. Professional technical support
6. Excellent after-sale service
TBB Bearing Provision is a professional bearing import and export company with over 10 years of experience in this field.
Our brand is TBB which stands for To Be the Best. It is and will always be our company philosophy, whether regarding bearing quality, on time delivery, or sales supporting service; we will always try every effort to be the best among your bearing suppliers.
TBB Target
To provide customer satisfactory product and service,
To provide TBB Bearing to worldwide OEM market and aftermarket.
Constantly optimizing TBB customer service system.
TBB Supplier Management
Based on our rich experience in Chinese bearing, we established TBB supplier management system, and have around 3000 bearing manufacturers data; among which over 60 manufacturers we have cooperated for a long time; our professional engineer team will audit every cooperated supplier in the very start and also evaluate yearly.
TBB Customer Service
TBB’s cooperated more than 5 years’ customers reached 80%.
TBB provide various kinds of bearings, with a size range from 3mm to 4000mm.
TBB complaint rate remains less than 2%, which will always be handled within 7 days.
TBB value the accuracy of delivery time, with a rate of 98%.
Since 2009 year, we have built up long term cooperation with professional authoritative bearing test centers working with the advanced inspection facilities and scientific guidance, to ensure every customer receive well performance goods.
TBB Reinvestment, we use 10% yearly profit as TBB reinvestment
We set up multiple sales platforms to assure stable and long term development.
We set up advanced management system to assure stable product chain, and keep competition advantage.
Our warehouse is located in Shanghai, and is operated under a complete logistic system, which ensures our reliable and efficient product delivery.
Company culture
We pay attention to every partner, about their growth and development;
We pay attention to every staff, about their growth and development.
TBB Product Ranges
Standard Bearings including
Deep groove ball bearings
Tapered roller bearings
Cylindrical roller bearings
Spherical roller bearings
Spherical plain bearings
Pillow blocks
Adapter sleeves
Special field bearings including
EMQ bearings
Slewing bearings
Railway bearings
Machine Tool Spindle Bearings
Wind power bearings
TBB Case Study
Product: Big size Tapered roller bearing
Application: Bonfiglioli Wind Turbines Gearbox
Customer Background: Original bearing supplier was America Timken, standard design with special raw material produced by Timken
TBB Material solution: Raw material supplier--XINGCHENG STEEL, top bearing steel manufacturer in China Raw material is produced by XINGCHENG STEEL based on TBB request, with strict control of Ti, H, O elements.
TBB Design: (1) Bearing rings and rollers are with convexity design, have control of convexity value. Greatly increase bearing life.
(2) Use Romax Designer, simulate actual application conditions, calculate bearing life and load capacity, improve product performance.
Sample Test: 18 months,2 times samples submition,2 times bench test, test is finished after certain time, TBB samples were in good condition, samples are homologated.
Final Result: From January 2016 TBB started bearing supply to Bonfiglioli, yearly order amount about USD 1,200,000
Hope we will have the opportunity to be on your service!
