High Precision 7212 Angular Contact Ball Bearing For Machine
Spindle
For the 7212b bearing, there are different precision, if you used
for spindle machinery, quality is high, the grade is P4 P5 P2
standard for you. Welcome to the inquiry!
Quick Details:
| Product Name | High Precision Angular Contact Bearings 7212 Ball Bearing |
| Material | Chrome steel |
| Size | 60*110*20mm |
| Brand | NSK |
| Basic dynamic load rating | 61 kN |
| Basic static load rating | 50 kN |
| Reference speed | 7000 r/min |
| Limiting speed | 7500 r/min |
| Precision level | P0/ P6 /P5 |
| Usage | Industry Machine, auto, motorcycle, power tools |
Deep Groove Ball Bearing Features:
1. Deep groove ball bearings are the most common bearing type. It
has simple, easy to use.
2. They accommodate both radial and axial loads in both directions
and are suitable for high rotational speeds.
3. Our deep groove ball bearings have many types. They can meet all
the needs.
4. The suitable lubricant in accordance with the using environments
of the bearings or the customer's requirements.
5. Deep Groove Ball Bearings:low-noise, high-speed, suitable for
the motor bearings and automotive bearing.
6. The cage of Deep Groove Ball bearings is Steel Stamping Ribbon
Cage,and the large bearing is Cart System Metal Solid Cage.
7. It widely used in automobiles, tractors, machine tools, motors,
pumps, agricultural machinery, textile machinery and so on.
The drawing:
According to bearing model number has five kinds:
High precision:30TAB06DF 50BNR10S 55BNR10S 60BNR10S 65BNR10S
70BNR10S 75BNR10S 80BNR10S
85BNR10S 90BNR10S 95BNR10S 100BNR10S 105BNR10S 110BNR10S 120BNR10S
130BNR10S 140BNR10S
150BNR10S 160BNR10S 170BNR10S 180BNR10S 190BNR10S 200BNR10S
Single row:8XX,79XX,70XX,72XX,73XX,74XX
Miniature:70X
Double row:52XX,53XX,32XX,33XX,LD57,LD58
Four-point contact:QJ2XX,QJ3XX
Relatives:
| Model No. | d(mm) | D(mm) | H(mm) | grease lubrication (r/min) | oil lubrication (r/min) | W(kg) |
| 7204C | 20 | 47 | 14 | 24000 | 32000 | 0.112 |
| 7204AC | 20 | 47 | 14 | 17000 | 22000 | 0.112 |
| 7204B | 20 | 47 | 14 | 13000 | 17000 | 0.112 |
| SN7204J | 20 | 47 | 14 | 13000 | 18000 | 0.0946 |
| 7204AC/DB | 20 | 47 | 28 | 14000 | 17000 | 0.224 |
| 7204AC/DT | 20 | 47 | 28 | 14000 | 17000 | 0.224 |
| 7204B/DB | 20 | 47 | 28 | 10000 | 14000 | 0.224 |
| 7204B/DF | 20 | 47 | 28 | 10000 | 14000 | 0.224 |
| 7204B/DT | 20 | 47 | 28 | 10000 | 14000 | 0.224 |
| 7204C/DB | 20 | 47 | 28 | 19000 | 26000 | 0.224 |
| 7204C/DF | 20 | 47 | 28 | 19000 | 26000 | 0.224 |
| 7204C/DT | 20 | 47 | 28 | 19000 | 26000 | 0.224 |
| ... | ... | ... | ... | ... |
