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Cylindrical Roller Bearing NU314NR,NU314ECP
Specification:
•Item: NU314NR,NU314ECP
•Type: Cylindrical Roller Bearing
•Closures: 2 Metal Shields
•Lubrication: Self Lubricated (Grease)
•Dimensions: 70mm x 150mm x 35mm/Metric
•ID (inner diameter)/Bore: 70mm
•OD (outer diameter): 150mm
•Width/Height/thickness: 35mm
•Dynamic load rating Cr: 236 KN
•Static load rating Cor: 228KN
•Reference speed: 4800 r/min
•Limited speed: 5600 r/min
1Cylindrical roller bearing
The roller and raceway surface of cylindrical roller bearing is line contact,so the bearing has high carrying radial load capacity,applicable to carrying heavy load and shock load.
Besides,owing to its structure,it\\\\\\\'s easy to high accuracy processing,applicable to highrate rotary.
Inner ring and orter ring are separable,convenient for mounting and dismounting.
2Single row cylindrical roller bearing
Tape NU and type N allow shaft moving in axial direction within limits,applicable to use as free end.
Type NJ and type NF can carry certain extent one-way axial load.Type NUP and type NH can carry certain extent both-way axial load.
Main dimension of type E cylindrical roller bearing coordinate with standard, and through modifying interior specification to increase nominal load.
3Double row cylindrical roller bearing
Double row cylindrical roller bearing have cylindrical hole and tapered hole type,tapered bore bearing can get needed internal clearance by self-aligning the depth of thrusting in.
Besides,there are bearing whose outer ring with oil hole and oil tank,it\\\\\\\'s nominal type code has a post position assistant code "W".
The type bearing has strong fixity resisting reversal load,mainly applicable to chief shaft of machine tool,etc.
Radial Internal Clearance of Cylindrical Roller Bearings
|
Nominal Diameter D mm Over To |
Class-2
Min Max |
Class -0
Min Max |
Class-3
Min Max |
Class-4
Min Max |
Class-5
Min Max |
|
80 100 100 120 120 140 140 160 160 180 180 200 200 225 225 250 250 280 280 315 315 355 355 400 400 450 |
15 150 15 55 15 60 20 70 25 75 35 90 45 105 45 110 55 125 55 130 65 145 100 210 110 220
|
50 85 50 90 60 105 70 120 75 125 90 145 105 165 110 175 125 195 130 205 145 225 190 280 210 310
|
75 110 85 125 100 145 115 165 120 170 140 195 160 220 170 235 190 260 200 275 225 305 280 370 310 410
|
105 140 125 165 145 190 165 215 170 220 195 250 220 280 235 300 260 330 275 350 305 385 370 460 410 510 |
155 190 180 220 200 245 225 275 250 300 275 330 305 365 330 395 370 440 410 485 455 535 510 600 565 665
|
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