Bearings, units and housings -- Roller bearings -- Needle roller bearings -- Needle roller bearings with machined rings -- Needle roller bearings, with machined rings, with an inner ring SKF NA 4905

NA 4905

Dimensions

d		25	mm
D		42	mm
B		17	mm
F		30	mm
r_1,2	min.	0.3	mm
s	max.	0.8	mm

Abutment dimensions

d_a	min.	27	mm
D_a	max.	40	mm
r_a	max.	0.3	mm

Calculation data

Basic dynamic load rating	C	24.2	kN
Basic static load rating	C₀	34.5	kN
Fatigue load limit	P_u	4.15	kN
Reference speed		13000	r/min
Limiting speed		15000	r/min

Mass

Mass bearing

0.088

Model Number: NA 4905
Inner Diameter：25mm Outer Diameter：42mm Width：17mm
Reference speed:15000 r/min Limiting speed:13000 r/min
Type：Bearings, units and housings Roller bearings Needle roller bearings Needle roller bearings with machined rings
Details： Needle roller bearings with machined rings Needle roller bearings, with machined rings, with an inner ring
Update date：2026-04-16
Application:power source,welding equipment,Machine Tool Accessories,CNC,PVC,Hydraulic Equipment,dynamic blood pressure,motorcycle,supporting facilities,casting embedding,Safety protection
Similar models:NA 4905 RNA 4905.2RS RNA 4905 NA 4905 RS
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23168-2CS5/VT143	340	580	190	Bearings, units and housings
29368	340	540	122	Bearings, units and housings
38x54x10 HMS5 RG	38	54	10	Seals
55x78x12 HMS5 V	55	78	12	Seals
6206-2Z/VA201	30	62	16	Bearings, units and housings
7010 ACD/P4AH	50	80	16	Bearings, units and housings
7014 CD/HCP4A	70	110	20	Bearings, units and housings
70x92x12 HMS5 RG	70	92	12	Seals
NNCF 4860 CV	300	380	80	Bearings, units and housings
PF 30 TR	30	-	-	Bearings, units and housings
PSM 081112 A51	8	11	12	Bearings, units and housings
SAF 22620 TLC	87.3125	-	-	Bearings, units and housings

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