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 21/20

NK 21/20

Dimensions

F_w		21	mm
D		29	mm
C		20	mm
r_1,2	min.	0.3	mm

Abutment dimensions

D_a	max.	27	mm
r_a	max.	0.3	mm

Calculation data

Basic dynamic load rating	C	17.2	kN
Basic static load rating	C₀	27	kN
Fatigue load limit	P_u	3.35	kN
Reference speed		19000	r/min
Limiting speed		22000	r/min

Mass

Mass bearing

0.035

Associated products

Radial shaft seal with a low cross-sectional height, single lip

G 21x29x4

Model Number: NK 21/20
Inner Diameter：21mm Outer Diameter：29mm Width：20mm
Reference speed:22000 r/min Limiting speed:19000 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：2025-12-09
Application:test equipment,ventilator anesthesia machine etc,electrocardiograph,Wire grinder,meat products machine,paper processing machine,Rolling mill,Tool,textile machinery,Plastic Equipment,Air
Similar models:NUP 211 ECP 3216 A BK 2216 6212-2Z 32217T87/DB NU 212 ECM/C3VL0241 6215-2Z/VA228 SAF 1217 7212 ACD/P4A PCMF 202321.5 E
BEARING POWER International Trading Co.,Ltd. specialize in NK21/20 products，there is large inventory of SKF NK 21/20 Needle roller bearings with machined rings. We has been built up long-term cooperation with SKF company, could make a bulk order of the NK 21/20 Which SKF NK21/20 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.

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810 VRME R	777	-	-	Seals
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NU 20/530 ECMA	530	780	145	Bearings, units and housings
PBMF 150170100 M1G1	150	170	100	Bearings, units and housings
SSAFS 22526 TLC	112.7125	-	-	Bearings, units and housings
W 619/2	2	6	2.3	Bearings, units and housings

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