Place of Origin: | CHINA |
Brand Name: | NTN |
Certification: | ISO9001-2000 / CE / ROHS / UL / SGS |
Model Number: | 21304 |
Minimum Order Quantity: | 1pcs |
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Price: | negotiable |
Packaging Details: | neutral package |
Delivery Time: | 1-2 work days |
Payment Terms: | L/C, D/A, D/P, T/T |
Supply Ability: | 300pieces per day |
Model: | 21304 | Size: | 20 Mm * 52 * 15 Mm |
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Weight: | 0.165 Kg | Material: | Gcr15 |
Certification:: | ISO9001, ISO14001 | Precision Rating: | ABEC-3 / ABEC-5 |
Bearing Precision: | P0 P2 P4 P5 P6 | Vibration Level: | V1,V2,V3,V4 |
High Light: | split roller bearing,spherical roller thrust bearing |
DIN Standard Steel Cage Roller Bearings 21304 20 mm * 52 * 15 mm
1 . Basic info
Spherical roller bearing Features
1) Spherical roller bearings are principally provided with two rows of symmetrical spherical rollers and a common sphere raceway in out ring , the two inner ring raceways are included at an angle to the bearing axia
2) The bearings have good self-aligning ability and can operate when the shaft deflection under load or the shaft deflection under load or the shaft misaligning in mounting , and their permissible aligning angle is 1 to 2.5 degree
3) This type of bearings has heavy load carrying capacity and anti-impact ability , in addition to radial loads , they also can carry axial loads in two directions
4) . In general , this type of bearings permits a low limiting speed .
2 . Other size :
Bearing No. | Boundary dimensions | Basic load ratings(kN) | Limiting speeds | Mass | |||||
mm | Dynamic | Static | rpm | ||||||
d | D | B | rs min | Cr | Cor | Grease | Oil | ||
21308K | 40 | 90 | 23 | 1.5 | 88 | 90 | 3,200 | 4,900 | 0.694 |
21308KW33C3 | 40 | 90 | 23 | 1.5 | 88 | 90 | 3,200 | 4,900 | 0.694 |
21308W33C3 | 40 | 90 | 23 | 1.5 | 88 | 90 | 3,200 | 4,900 | 0.705 |
21309 | 45 | 100 | 25 | 1.5 | 102 | 106 | 2,900 | 4,400 | 0.927 |
21309K | 45 | 100 | 25 | 1.5 | 102 | 106 | 2,900 | 4,400 | 0.912 |
21309KW33C3 | 45 | 100 | 25 | 1.5 | 102 | 106 | 2,900 | 4,400 | 0.912 |
21309W33C3 | 45 | 100 | 25 | 1.5 | 102 | 106 | 2,900 | 4,400 | 0.927 |
21310 | 50 | 110 | 27 | 2 | 118 | 127 | 2,600 | 4,000 | 1.21 |
21310K | 50 | 110 | 27 | 2 | 118 | 127 | 2,600 | 4,000 | 1.19 |
21310KW33C3 | 50 | 110 | 27 | 2 | 118 | 127 | 2,600 | 4,000 | 1.19 |
21310W33C3 | 50 | 110 | 27 | 2 | 118 | 127 | 2,600 | 4,000 | 1.21 |
3 . FAQ
Q : Are you a trader or manufacturer ?
A : We are factory specializing in all kind of bearings . We can give you the best price and better service .
Q : What is your delivery time ?
A : Sample order: Immediate delivery , bulk order : usually 30 days .
Q : Can i request sample?
A : Of course , sample is ok and we can give you a sample
Q : What's the shipping way ?
A : According to YOUR demands .
Q : Can you accept OEM or ODM ?
A : Yes , of course . logo is also acceptable .
Q : How is quality controlled ?
A : Quality is the key !
4 . Our advantage
1 . Direct China factory / Manufacturer with strong Capability
We are direct bearing factory on shandong , China for more than 10 years . 300 bearing types , 5 million sets items and produced yearly and the output value more than 5 million US dollars last year .
2 . Product quality high quality the delivery time is quick , reasonable price
Rich in stock throughout the year for general bearing types , such as self-aligning ball bearing ,Tapered Roller Bearing,cylindrical roller Bearing , etc .
Based on the above advantages , we can make prompt delivery according to your requirement .
Warehouse items would Delivery of the goods within 5 - 8 days . By courier/air or by cargo/sea
3 . Competitive price
Large inventories and strong production capabilities enable us to offer more affordable prices globally .
Customers can get high - quality bearings with attractive prices at the same time .
5 . Application :
The self-aligning ball bearings are widely used in mining machinery , power machinery , heavy machinery and textile machinery etc .
Contact Person: Sarah Lee
Tel: 18664891887
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