1.Dimension:
| Model Number | d | D | B | C | C0 | Pu | reference speed | limiting speed | mass |
| mm | mm | mm | kn | kn | kn | r/min | r/min | kg | |
| 3309 A * | 45 | 100 | 39,7 | 75 | 53 | 2,24 | 6700 | 6700 | 1,40 |
| 3309 A-2RS1/MT33 * | 45 | 100 | 39,7 | 75 | 53 | 2,24 | - | 4800 | 1,40 |
| 3309 A-2Z/MT33 * | 45 | 100 | 39,7 | 75 | 53 | 2,24 | 6700 | 6700 | 1,40 |
| 3309 ATN9 * | 45 | 100 | 39,7 | 75 | 53 | 2,24 | 6700 | 6700 | 1,40 |
| 3309 DMA | 45 | 100 | 39,7 | 79,3 | 69,5 | 3 | 6000 | 6300 | 1,60 |
| 3309 DNRCBM | 45 | 100 | 39,7 | 61,8 | 52 | 2,2 | 6000 | 6300 | 1,50 |
| 5309 A-2RS1 * | 45 | 100 | 39,7 | 75 | 53 | 2,24 | - | 4800 | 1,40 |
| 5309 A-2Z * | 45 | 100 | 39,7 | 75 | 53 | 2,24 | 6700 | 6700 | 1,40 |
| 5309 E | 45 | 100 | 39,7 | 80,9 | 80 | 3,4 | 6000 | 6300 | 1,50 |
| 5309 E-2RS1 | 45 | 100 | 39,7 | 80,9 | 80 | 3,4 | - | 4800 | 1,50 |
| 5309 E-2Z | 45 | 100 | 39,7 | 80,9 | 80 | 3,4 | 6000 | 6300 | 1,50 |
| 5409 A | 45 | 120 | 54 | 112 | 82 | 3,45 | 5300 | 5600 | 3,00 |
| 3210 A | 50 | 90 | 30,2 | 51 | 39 | 1,66 | 7000 | 7000 | 0,66 |
| 3210 A-2RS1/MT33 | 50 | 90 | 30,2 | 51 | 39 | 1,66 | - | 4800 | 0,65 |
| 3210 A-2RS1TN9/MT33 | 50 | 90 | 30,2 | 51 | 39 | 1,66 | - | 4800 | 0,65 |
| 3210 A-2Z/MT33 | 50 | 90 | 30,2 | 51 | 39 | 1,66 | 7000 | 7000 | 0,65 |
| 3210 A-2ZTN9/MT33 | 50 | 90 | 30,2 | 51 | 39 | 1,66 | 7000 | 7000 | 0,65 |
| 3210 ATN9 | 50 | 90 | 30,2 | 51 | 39 | 1,66 | 7000 | 7000 | 0,66 |
| 5210 A | 50 | 90 | 30,2 | 51 | 39 | 1,66 | 7000 | 7000 | 0,66 |
| 5210 A-2RS1 | 50 | 90 | 30,2 | 51 | 39 | 1,66 | - | 4800 | 0,65 |
| 5210 A-2Z | 50 | 90 | 30,2 | 51 | 39 | 1,66 | 7000 | 7000 | 0,65 |
| 5210 E | 50 | 90 | 30,2 | 53,9 | 58,5 | 2,5 | 6300 | 6700 | 0,82 |
| 5210 E-2RS1 | 50 | 90 | 30,2 | 53,9 | 58,5 | 2,5 | - | 4800 | 0,82 |
| 5210 E-2Z | 50 | 90 | 30,2 | 53,9 | 58,5 | 2,5 | 6300 | 6700 | 0,82 |
| 3310 A | 50 | 110 | 44,4 | 90 | 64 | 2,75 | 6000 | 6000 | 1,95 |
| 3310 A-2RS1/MT33 | 50 | 110 | 44,4 | 90 | 64 | 2,75 | - | 4300 | 1,95 |
| 3310 A-2Z/MT33 | 50 | 110 | 44,4 | 90 | 64 | 2,75 | 6000 | 6000 | 1,95 |
| 3310 ATN9 | 50 | 110 | 44,4 | 90 | 64 | 2,75 | 6000 | 6000 | 1,95 |
| 3310 DMA | 50 | 110 | 44,4 | 93,6 | 85 | 3,6 | 5300 | 5600 | 2,15 |
| 3310 DNRCBM | 50 | 110 | 44,4 | 81,9 | 69,5 | 3 | 5300 | 5600 | 1,95 |
| 5310 A-2RS1 | 50 | 110 | 44,4 | 90 | 64 | 2,75 | - | 4300 | 1,95 |
2.Design:
Material:cage--steel or copper,balls--steel,rings--stainless steel or bearing steel Gcr15
3.Delivery time:
in stock or no more than 3 days or as your requirement
Reference type of transportation:DHL,UPS,TNT,FedEx,EMS,shipping or air
4.Application:
machine tool spindles, high frequency motors, gas turbines, centrifuges, small car front wheel,
the differential pinion shaft
5.Packing:
1.) polybag + box +carton
2.) industrial standard packing
3.) individual box packing
4.) plastic package
5.) barrelled
6.) wooden case
7.) as customers' order
6.Attention:
DB : Two bearings matched back-to-back
DF : Two bearings matched face-to-face
DT : Two bearings matched in tandem
B : 40° contact angle
CB : Bearing for universal matching. Two bearings arranged back-to-back or face-to-face will have a Normal axial internal clearance before mounting






