Bearings, units and housings -- Roller bearings -- Needle roller bearings -- Needle roller bearings with machined rings -- Needle roller bearings, with machined rings, without an inner ring SKF NK 47/20

NK 47/20

Dimensions

F_w		47	mm
D		57	mm
C		20	mm
r_1,2	min.	0.3	mm

Abutment dimensions

D_a	max.	55	mm
r_a	max.	0.3	mm

Calculation data

Basic dynamic load rating	C	29.2	kN
Basic static load rating	C₀	61	kN
Fatigue load limit	P_u	7.65	kN
Reference speed		8500	r/min
Limiting speed		10000	r/min

Mass

Mass bearing

0.095

Model Number: NK 47/20
Inner Diameter：47mm Outer Diameter：57mm Width：20mm
Reference speed:10000 r/min Limiting speed:8500 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, without an inner ring
Update date：2026-06-24
Application:Water Monitoring,vacuum filter,switch,Storage Tool,vacuum suction cup,climb ladder,impression material,Cylinder Pneumatic Treatment Element,pneumatic,Cleaning equipment,Leather Products
Similar models:P 47 29476 EM P 47 R-17 RM KRV 47 PPXA BT4B 334147/HA1 K 42x47x17 BB1B 363472 RPNA 30/47 P 47 R-12 TF KRVE 47 PPA
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Model No. Inner Diameter Outer Diameter Width Type

20070
6306-RS1
IR 35x40x20.5
NJ 29/630 ECMA/HB1
SSAFS 23034 KATLC x 5.15/16

Purchase the SKF NK 47/20 Needle roller bearings, with machined rings, without an inner ring Please fill in the following

Hot number： 15620 22318 EKJA/VA405 23264 CC/W33 28x42x7 HMS5 RG 29348 E 35x50x10 HMS5 V 6215-Z 65 VS R FYK 25 TF GEZ 208 TXE-2LS H 2313 NUP 210 ECP SAFS 22522 x 4 SSAFS 22532 x 5.1/2 W 628/8 R-2RS1

Model No.	Inner Diameter	Outer Diameter	Width	Type
20070
6306-RS1
IR 35x40x20.5
NJ 29/630 ECMA/HB1
SSAFS 23034 KATLC x 5.15/16