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NA4909 Needle Roller Bearing 45X68X22mm
Min. Order:
1 Piece
Payment term:
100% T/T or Western Union in advance
Delivery time:
Within 5 working days after confirmed your payment
Mobile NO.: +86 15861609346
Technical Parameters:
Product Designations:
NA4909
Structure:
Needle Roller Bearing
Inside Diameter:
45 mm
Outside Diameter:
68 mm
Thickness:
22 mm
Weight:
0.285 KG
Precision Rating:
P0. P6. P5
Bearing Material:
GCr15SiMn, GCr15, etc
Seals Type:
open
Features and Application of Needle bearing NA4909:
Needle roller bearings have a high load carrying capacity in addition to their low corss-section and stiffness. They are especially suitable for bearing arrangements where radial space is limited. Because needle roller bearings only carry pure radial load and can not limit the axial displacement of shaft relative to the housing. It is important to ensure that inner ring axis and outer ring axis must be aligned during mounting the bearings.
Needle roller bearing NA4909 is a cylindrical roller of the roller bearings, relative to its diameter, roller is fine and long. This roller called needle. Although it has a small section, bearing still had high load to bear ability, therefore, especially suitable for radial place with limited space. Curve roller can have greater extremely strong load and high performance operation. RSTO outer ring no raised edge, no inner circle supporting roller
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Relative bearing dimension:
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