Detailed description
Double Row Angular Contact Ball Bearing 3309-2Z
Specifications
Double row angular contact ball bearing:
1.Origin bearing
2.Double row
3.For universal matching
4.Standard:GB/T292
Double row angular contact ball bearing description
1.The construction of this ball bearing is similar to mounting two single row angular ball bearings back to back(DB).
2.Capacities of double row ball bearing is less than single row since few balls can be inserted per row.
3.This bearing type can sustain radial, moment and bi-directional axial loads.
Double row angular contact ball bearing features
- Optimised internal design
- High load ratings
- Increased limiting speed
- High strength ball guided brass cage
- High dimensional and running accuracy
- Narrow axial clearances or preloads range
- Universal facing in standard
Double row angular contact ball bearing model numbers
| Model Number | d | D | B | C | C0 | Pu | reference speed | limiting speed | mass |
| 3302 A-2ZTN9/MT33 | 15 | 42 | 19 | 15,1 | 9,3 | 0,4 | 15000 | 16000 | 0,13 |
| 3303 A-2ZTN9/MT33 | 17 | 47 | 22,2 | 21,6 | 12,7 | 0,54 | 14000 | 14000 | 0,18 |
| 3304 A-2Z/MT33 | 20 | 52 | 22,2 | 23,6 | 14,6 | 0,62 | 13000 | 13000 | 0,21 |
| 3304 A-2ZTN9/MT33 | 20 | 52 | 22,2 | 23,6 | 14,6 | 0,62 | 13000 | 13000 | 0,22 |
| 3305 A-2Z/MT33 | 25 | 62 | 25,4 | 32 | 20,4 | 0,865 | 11000 | 11000 | 0,35 |
| 3305 A-2ZTN9/MT33 | 25 | 62 | 25,4 | 32 | 20,4 | 0,865 | 11000 | 11000 | 0,36 |
| 3306 A-2Z/MT33 | 30 | 72 | 30,2 | 41,5 | 27,5 | 1,16 | 9000 | 9000 | 0,52 |
| 3306 A-2ZTN9/MT33 | 30 | 72 | 30,2 | 41,5 | 27,5 | 1,16 | 9000 | 9000 | 0,52 |
| 3307 A-2Z/MT33 | 35 | 80 | 34,9 | 52 | 35,5 | 1,5 | 8500 | 8500 | 0,73 |
| 3307 A-2ZTN9/MT33 | 35 | 80 | 34,9 | 52 | 35,5 | 1,5 | 8500 | 8500 | 0,73 |
| 3308 A-2Z/MT33 | 40 | 90 | 36,5 | 64 | 44 | 1,86 | 7500 | 7500 | 0,93 |
| 3308 A-2ZTN9/MT33 | 40 | 90 | 36,5 | 64 | 44 | 1,86 | 7500 | 7500 | 0,93 |
| 3309 A-2Z/MT33 | 45 | 100 | 39,7 | 75 | 53 | 2,24 | 6700 | 6700 | 1,40 |
| 3310 A-2Z/MT33 | 50 | 110 | 44,4 | 90 | 64 | 2,75 | 6000 | 6000 | 1,95 |
| 3311 A-2Z/MT33 | 55 | 120 | 49,2 | 112 | 81,5 | 3,45 | 5300 | 5300 | 2,55 |
| 3312 A-2Z/MT33 | 60 | 130 | 54 | 127 | 95 | 4,05 | 5000 | 5000 | 3,25 |
| 3313 A-2Z/MT33 | 65 | 140 | 58,7 | 146 | 110 | 4,55 | 4500 | 4500 | 4,10 |
| 3314 A-2Z/MT33 | 70 | 150 | 63,5 | 163 | 125 | 5 | 4300 | 4300 | 5,05 |
| 3315 A-2Z/MT33 | 75 | 160 | 68,3 | 176 | 140 | 5,5 | 4000 | 4000 | 5,60 |








