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：2026-04-17
Application:Liposuction device,Textile Accessories,miscellaneous instruments,Machine Tool Accessories,other accessories,light therapy instrument,auto tools,Anesthetic Equipment,sucker industry,packaging machinery,small diesel generators
Similar models:FY 45 TF/VA228 FY 45 FM PRM 12012545 TUJ 45 TF PSM 304045 A51 IR 45x52x40 GEM 45 ESX-2LS K 40x45x13 IR 40x45x17 BSD 45100 C
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
12905	33.0454	50.8	11.13	Seals
15343	38.7096	60.3	9.525	Seals
22232-2CS5K/VT143	160	290	80	Bearings, units and housings
32022 X	110	170	38	Bearings, units and housings
50x100x10 HMSA10 RG	50	100	10	Seals
52x72x10 HMS5 V	52	72	10	Seals
6007-2RZ	35	62	14	Bearings, units and housings
6200 N	10	30	9	Bearings, units and housings
90770	-	-	31.75	Seals
KRE 19 PPA	-	19	32	Bearings, units and housings
SAFS 23048 KATLC x 8.15/16	227.0125	-	-	Bearings, units and housings
SSAFS 22520 x 3.3/8	85.725	-	-	Bearings, units and housings

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