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RNA4909 Needle Roller Bearing
Min. Order:
1 Piece
Payment term:
T/T
Delivery time:
Within 3 Working Days
Mobile NO.: +86 15861609346
Technical Parameters:
Product Designations:
RNA4909
Structure:
Needle Bearing
Inside Diameter:
52 mm
Outside Diameter:
68 mm
Thickness:
22 mm
Weight:
0.18 KG
Precision Rating:
P0~P2
Bearing Material:
Bearing Steel
Seals Type:
Open
Needle roller bearings RNA4909
| Fw | 52 mm | |
| D | 68 mm | |
| C | 22 mm | |
| rmin | 0,6 mm | |
| m | 182 g | Mass |
| Cr | 51000 N | Basic dynamic load rating, radial |
| C0r | 73000 N | Basic static load rating, radial |
| Cur | 12600 N | Fatigue limit load, radial |
| nG | 8600 1/min | Limiting speed |
| nB | 4550 1/min | Reference speed |
Needle roller bearings with ribs are single or double row units comprising machined outer rings with ribs, needle roller and cage assemblies and removable inner rings.
Open bearings can be used at operating temperatures from –20 °C to +120 °C.
C3 : Radial internal clearance larger than normal
P5 : High dimensional and geometrical accuracy
RSR : Contact seal on one side
TV : Bearing with cage made from glass fibre reinforced polyamide 66
ZW :Double row design, dependent on the size
2RSR : Contact seals on both sides
We have 599 pcs in stock . If you have reuqirements for the bearings given as above,please feel free to contact us.We can assure you the best quality ;the most competitive prices ; the shortest delivery time and the highest quality service .
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