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 NAO 50x68x20

NAO 50x68x20

Dimensions

d		50	mm
D		68	mm
B		20	mm
E		60	mm
F		55	mm
r_1,2	min.	0.6	mm
s	max.	1	mm

Abutment dimensions

d_a		59.2	mm
d_b		54.5	mm
D_a		60.8	mm
D_b		55.8	mm
r_a	max.	0.6	mm

Calculation data

Basic dynamic load rating	C	27	kN
Basic static load rating	C₀	67	kN
Fatigue load limit	P_u	8.15	kN
Reference speed		7500	r/min
Limiting speed		8500	r/min

Mass

Mass bearing

0.23

Model Number: NAO 50x68x20
Inner Diameter：50mm Outer Diameter：68mm Width：20mm
Reference speed:8500 r/min Limiting speed:7500 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：2026-06-24
Application:motor,Switch,ultra-quiet generators,Body shaping,Vertical pull,Chromatography Products,equipment and,rehabilitation training equipment,animal,bag machine,plastic molding
Similar models:PBM 230250140 M1G1 510/500 F C 30/500 M NCF 28/850 V 811/850 M FYTJ 50 TF NRT 650 A NU 20/750 ECMA SY 505 M 249/750 CA/W33
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Model No. Inner Diameter Outer Diameter Width Type

40x57x8 CRW1 R
7022 ACB/HCP4A
NUTR 45 X
QJ 1276 N2MA
SYWK 50 LTHR

Purchase the SKF NAO 50x68x20 Needle roller bearings, with machined rings, with an inner ring Please fill in the following

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Model No.	Inner Diameter	Outer Diameter	Width	Type
40x57x8 CRW1 R
7022 ACB/HCP4A
NUTR 45 X
QJ 1276 N2MA
SYWK 50 LTHR