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 4901

NA 4901

Dimensions

d		12	mm
D		24	mm
B		13	mm
F		16	mm
r_1,2	min.	0.3	mm
s	max.	0.5	mm

Abutment dimensions

d_a	min.	14	mm
D_a	max.	22	mm
r_a	max.	0.3	mm

Calculation data

Basic dynamic load rating	C	9.9	kN
Basic static load rating	C₀	12.2	kN
Fatigue load limit	P_u	1.46	kN
Reference speed		22000	r/min
Limiting speed		26000	r/min

Mass

Mass bearing

0.026

Model Number: NA 4901
Inner Diameter：12mm Outer Diameter：24mm Width：13mm
Reference speed:26000 r/min Limiting speed:22000 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：2026-04-20
Application:Digital Generator,ventilation fans,climb ladder,Laser Cutting,Industry,Pest Monitoring,Workpiece,Cylinder Micro,Low-voltage electrical equipment,linear drive,Oral Image
Similar models:RNA 4901 RNA 4901.2RS NA 4901 RNA 4901 RS NA 4901.2RS NA 4901 RS
BEARING POWER International Trading Co.,Ltd. specialize in NA4901 products，there is large inventory of SKF NA 4901 Needle roller bearings with machined rings. We has been built up long-term cooperation with SKF company, could make a bulk order of the NA 4901 Which SKF NA4901 is the most authentic, must choose BEARING POWER, what a whole variety, reasonable price, guaranteed quality, prompt delivery via Global express. Any inquiry, never hesitate to E-mail or call +86-022-58519721 to contact us.

Model No.	Inner Diameter	Outer Diameter	Width	Type
13052	33.3502	52.37	7.95	Seals
1900 VA R	1720	-	-	Seals
34840	88.9	101.68	6.35	Seals
62214-2RS1	70	125	31	Bearings, units and housings
7015 ACE/HCP4AL1	75	115	20	Bearings, units and housings
99084	22	30.1752	9.1186	Seals
99174	44.45	52.4002	17.4752	Seals
BC4-8029/HA4	1350	1765	-	Bearings, units and housings
C 30/630 M	630	920	212	Bearings, units and housings
FBSA 207/QFC	35	-	130	Bearings, units and housings
GB 3048	-	-	87	Bearings, units and housings
NU 1021 ML	105	160	26	Bearings, units and housings

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