30230 30232 30234 30236 NTN four row taper roller bearing manufacturer
- Category: Taper Roller Bearings >>>
- Supplier: Zhengzhou Jinfeng Bearing Sales Co. Ltd.
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Product Overview
Description
Products Description
Bearing part number | d | D | B |
30202 | 15 | 35 | 11 |
30203 | 17 | 40 | 12 |
30204 | 20 | 47 | 14 |
30205 | 25 | 52 | 15 |
30206 | 30 | 62 | 17.5 |
30207 | 35 | 72 | 17 |
30208 | 40 | 80 | 18 |
30209 | 45 | 85 | 19 |
30210 | 50 | 90 | 20 |
30211 | 55 | 100 | 21 |
30212 | 60 | 110 | 22 |
30213 | 65 | 120 | 23 |
30214 | 70 | 125 | 24 |
30215 | 75 | 130 | 25 |
30216 | 80 | 140 | 26 |
30217 | 85 | 150 | 31 |
30218 | 90 | 160 | 30 |
30219 | 95 | 170 | 32 |
30220 | 100 | 180 | 34 |
30221 | 105 | 190 | 36 |
30222 | 110 | 200 | 38 |
30224 | 120 | 215 | 40 |
30226 | 130 | 230 | 40 |
30228 | 140 | 250 | 42 |
Product classification
Tapered Roller Bearings
The inner and outer rings of TRB have tapered raceways, and tapered rollers are installed between the raceways. If the tapered
surface is extended, it will eventually converge at a point on the bearing axis. Tapered roller bearings are mainly used to bear
combined radial and axial loads, which are dominated by radial loads. The axial load carrying capacity of a bearing is determined
by the contact angle, the larger it is, the greater the axial load carrying capacity. Tapered roller bearings are separable
bearings. The inner ring with rollers and cage constitutes an inner component, which can be installed separately from the outer
ring. This kind of bearing can limit the axial displacement of one side of the shaft or the housing, and does not allow the shaft
to tilt relative to the housing hole. Under the action of radial load, additional axial force will be generated. Therefore,
generally in the two supports of the bearing, the outer ring and inner ring of the bearing should be installed opposite to each
end surface.
surface is extended, it will eventually converge at a point on the bearing axis. Tapered roller bearings are mainly used to bear
combined radial and axial loads, which are dominated by radial loads. The axial load carrying capacity of a bearing is determined
by the contact angle, the larger it is, the greater the axial load carrying capacity. Tapered roller bearings are separable
bearings. The inner ring with rollers and cage constitutes an inner component, which can be installed separately from the outer
ring. This kind of bearing can limit the axial displacement of one side of the shaft or the housing, and does not allow the shaft
to tilt relative to the housing hole. Under the action of radial load, additional axial force will be generated. Therefore,
generally in the two supports of the bearing, the outer ring and inner ring of the bearing should be installed opposite to each
end surface.
Company Profile
ZWZ has 9 manufacturing bases, 10 business divisions, 26 wholly-owned and holding branch companies and subsidiaries globally.
ZWZ owns two bearing brands, ZWZ and KRW. The company adopts international standards and can produce more than 20,000
specifications of bearing products in ten categories with various precision levels from 20mm inner diameter to 16m outer diameter,
which are mainly used in industrial equipments, railway transportation, automotive vehicles, wind power and special applications.
ZWZ has a national large-scale bearing engineering and technology research center, a national enterprise technology center, a
bearing inspection and test center, and overseas R&D centers in Europe and the United States, that has established 8 technology
innovation platforms concerning simulating calculation, materials, lubrication, inspection and so on.
ZWZ owns two bearing brands, ZWZ and KRW. The company adopts international standards and can produce more than 20,000
specifications of bearing products in ten categories with various precision levels from 20mm inner diameter to 16m outer diameter,
which are mainly used in industrial equipments, railway transportation, automotive vehicles, wind power and special applications.
ZWZ has a national large-scale bearing engineering and technology research center, a national enterprise technology center, a
bearing inspection and test center, and overseas R&D centers in Europe and the United States, that has established 8 technology
innovation platforms concerning simulating calculation, materials, lubrication, inspection and so on.
Technical Strength
Manufacturing equipment
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Our certificat
FAQ
1.How do i start purchase?
You can email or contact with our online salesman, then get offer and shipping cost for your order, after you confirm, our
salesman will send u Invoice.
After paymetn done, we will ship goods on time.
2.Do u have stock for all item?
Yes, we have sufficient stock and can do fast delivery.
3. What about the delivery?
A: By express (DHL, UPS, FEDEX, TNT, EMS) to your door, By sea to your nearest port; By air to your nearest airport.
4. What about the payment?
A: By TT, Western Union, Moneygram or Paypal.
5. What about the lead time?
A: For stock goods, 1-3 days after payment.
6.Warranty
All our product is brand new, we provide one year warranty.
You can email or contact with our online salesman, then get offer and shipping cost for your order, after you confirm, our
salesman will send u Invoice.
After paymetn done, we will ship goods on time.
2.Do u have stock for all item?
Yes, we have sufficient stock and can do fast delivery.
3. What about the delivery?
A: By express (DHL, UPS, FEDEX, TNT, EMS) to your door, By sea to your nearest port; By air to your nearest airport.
4. What about the payment?
A: By TT, Western Union, Moneygram or Paypal.
5. What about the lead time?
A: For stock goods, 1-3 days after payment.
6.Warranty
All our product is brand new, we provide one year warranty.
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