X - Life Rna 4908 Needle Roller Bearings No Inner Ring Single Row
Description of Needle Roller Bearings :
Needle bearings have a large surface area that is in contact with
the bearing outer surfaces. Additionally there is less added
clearance so they are much more compact. The typical structure
consists of a needle cage which orients and contains the needle
rollers, the needle rollers themselves, and an outer race and
sometimes housing itself. Radial needle bearings are cylindrical
and use rollers parallel to the axis of the shaft. Thrust needle
bearings are flat and use a radial pattern of needles. Full
compliment bearings have solid inner and outer rings and rib-guided
cylindrical rollers.
Full Models of Standard Needle Roller bearing :
Light series needle roller bearings (NK,NKI,NKS,NKIS)
Heavy series needle roller bearings (NA,RNA,RNA-RS,RNA-2RS)
Curve needle rollers (KR,CF,CR,CNBH)
Strut needle rollers (NART,NUTR,CCYR,STO,RSTO,NAST-ZZ)
Not obstructs side needle roller bearings(NAO,RNAO)
Needle roller-thrust ball bearings (NX,NX-Z,NKX,NKX-Z)
Needle roller-thrust cylindrical bearings (NKXR,NKXR-Z)
Radial needle roller-thrust cylindrical needle roller bearings
(ZARN)
Thrust-cylindrical needle roller bearings (811,812,WS,GS)
Needle rollers and cages (K,KR,KS,KBK,KZK)
Drawn cup needle roller clutches and assemblies (HF,HFL)
NA Series Needle Roller Bearings Drawing :
Needle Roller Bearings List :
| code | internal | outer | width |
| mm | mm | mm |
| needle roller bearing RNA 4822 | 120 | 140 | 30 |
| needle roller bearing RNA 4824 | 130 | 150 | 30 |
| needle roller bearing RNA 4826 | 145 | 165 | 35 |
| needle roller bearing RNA 4828 | 155 | 175 | 35 |
| needle roller bearing RNA 4830 | 165 | 190 | 40 |
| needle roller bearing RNA 4832 | 175 | 200 | 40 |
| needle roller bearing RNA 4834 | 185 | 215 | 45 |
| needle roller bearing RNA 4836 | 195 | 225 | 45 |
| needle roller bearing RNA 4838 | 210 | 240 | 50 |
| needle roller bearing RNA 4840 | 220 | 250 | 50 |
| needle roller bearing RNA 4844 | 240 | 270 | 50 |
| needle roller bearing RNA 4848 | 265 | 300 | 60 |
| needle roller bearing RNA 4852 | 285 | 320 | 60 |
| needle roller bearing RNA 4856 | 305 | 350 | 69 |
| needle roller bearing RNA 4860 | 330 | 380 | 80 |
| needle roller bearing RNA 4864 | 350 | 400 | 80 |
| needle roller bearing RNA 4868 | 370 | 420 | 80 |
| needle roller bearing RNA 4872 | 390 | 440 | 80 |
| needle roller bearing RNA 4876 | 415 | 480 | 100 |
Bearing Specification :
Model Number | RNA 4908 |
Part Name | Needle Roller Bearing |
Brand | IKO / INA / FAG / NSK / NTN / FSK / OEM |
Precision Rating | ABEC-3 / ABEC-5 |
| Material | Chrome Steel / Stainless Steel |
| Inner Ring | without Inner Ring |
| Row | Single Row |
Dimensions(mm)(d*D*b) | 48mm × 62mm × 22mm |
Weight / Mass ( KG ) | 0.14kg |
HS Code | 8482800000 |
| Original Country Show | CHINA |
Bearings Detailed Pictures :
X-Life RNA 4908 Needle Roller Bearings No Inner Ring Single Row , Get Cheap Price from China Bearing Factory Now !
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