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 45/20 TN

NK 45/20 TN

Dimensions

F_w		45	mm
D		55	mm
C		20	mm
r_1,2	min.	0.3	mm

Abutment dimensions

D_a	max.	53	mm
r_a	max.	0.3	mm

Calculation data

Basic dynamic load rating	C	31.4	kN
Basic static load rating	C₀	65.5	kN
Fatigue load limit	P_u	8.3	kN
Reference speed		9000	r/min
Limiting speed		10000	r/min

Mass

Mass bearing

0.085

Associated products

Radial shaft seal with a low cross-sectional height, single lip			G 45x55x4
Radial shaft seal with a low cross-sectional height, double lip			SD 45x55x4

Model Number: NK 45/20 TN
Inner Diameter：45mm Outer Diameter：55mm Width：20mm
Reference speed:10000 r/min Limiting speed:9000 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:Hairbrush device,electronic components,multi-knife lathe,industrial skin care,test strip,forklift truck,Storage Device,leather processing,agriculture,container finishing,non-ferrous metal alloy
Similar models:BK 4520 SYJ 45 TF 89452 M GEH 45 ESL-2LS FYTB 45 TF SYF 45 FM SIL 45 TXE-2LS PWM 130145120 331445 BA1B 311745
BEARING POWER International Trading Co.,Ltd. specialize in NK45/20TN products，there is large inventory of SKF NK 45/20 TN 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 45/20 TN Which SKF NK45/20TN 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

BD-240/630 ECK30J/W33-AOH 240/630 G
32248/DF
3490/3420
400755
SSAFS 22524 x 4.1/4

Purchase the SKF NK 45/20 TN Needle roller bearings, with machined rings, without an inner ring Please fill in the following

Hot number： 18889 21x35x7 HMS5 V 2310 K 511/560 F 594431 FSAF 22517 x 2.13/16 TLC FYTB 1.3/16 RM GEZH 108 ESX-2LS K 62x70x40 ZW NU 1020 ML RNA 6913 PFT 1.1/2 TF SAF 22511 SAFS 22544 x 7.7/8 T SNL 30/500 TURA

Model No.	Inner Diameter	Outer Diameter	Width	Type
BD-240/630 ECK30J/W33-AOH 240/630 G
32248/DF
3490/3420
400755
SSAFS 22524 x 4.1/4