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Technical Parameters:
Product Designations:
NF 646
Structure:
Cylindrical roller bearing
Inside Diameter:
230 mm
Outside Diameter:
350 mm
Thickness:
70 mm
Brand:
JHB
Precision Rating:
P5 P6 PO
Bearing Material:
GCr15SiMn GCr15
Seals Type:
open
Current Code:NF646 original code:402746
Dimension:230x350x70mm
Class:P5 P6 P0
Weight:26kgs
The cage type: Brass cage
The forging material:GCr15SiMn GCr15
The delivery time:20-30 days
The package:standard export wooden case
If you want to know more, Please send us by e-mail.
Single-row cylindrical roller bearings are separable bearings,the rollers are guided by the two ribs of bearing rings.The cage,rollers and guide ring are assembled to a unit, and can be separated from the other ring. These bearings are easy to be mounted and dismounted,especially inner and outer rings interference fit with shafts and housings.
The structures of cylindrical roller bearings are distinguished by ribs.Type N has inner ring with two ribs and outer ring without rib;type NU has outer ring with two ribs and inner ring without rib; type NJ has inner ring with rib and outer ring with two ribs, and can carry certain axial loads in one direction;type NF has inner ring with two ribs and outer ring with rib.
The application:
Rigid stranders
Tubular stranders
Bow skip stranders
Double Twist Bunchers
Drum Twister Stranders
Planetary stranders
Worm gear
Screw Drives
Turbine engine mainshafts
Transmissions
large-size generators,
machine tool spindles,
axle boxes,
bent axles of diesel engines,
gearboxes
Mechanical presses
Electrical motors
Pumps and compressors
Traction motors for railway vehiches
Axle boxes for railway vehicles
Steel mills
And so on.
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