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：2026-04-19
Application:plastic rolling,electric hydraulic lifting platform,Processing machinery,water,Garment Accessories,security equipment,Spectrum Products,ignition system,Industrial Adhesive,welding equipment,preservation equipment
Similar models:PCM 455050 M TU 506 M NNF 5018 ADA-2LSV FYT 50 TF/VA228 C 30/500 M SYJ 50 TF 249/750 CA/W33 240/500 ECAK30/W33 PSMF 506030 A51 FNL 507 B
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Model No.	Inner Diameter	Outer Diameter	Width	Type
150x180x12 HMS5 RG	150	180	12	Seals
23122 CCK/W33	110	180	56	Bearings, units and housings
BD-23252 CCK/W33-AOH 2352 G	240	480	174	Bearings, units and housings
292/530 EM	530	710	109	Bearings, units and housings
623/HR22T2	3	10	4	Bearings, units and housings
6315 N	75	160	37	Bearings, units and housings
90139	-	-	25.4	Seals
99068	17	22.225	10.9982	Seals
FYTB 35 TDW	35	-	-	Bearings, units and housings
GE 260 TXA-2LS	260	370	110	Bearings, units and housings
HE 2336	165.1	230	161	Bearings, units and housings
YAR 206-2FW/VA228	30	62	38.1	Bearings, units and housings

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