Bearings, units and housings -- Roller bearings -- Cylindrical roller bearings -- Single row cylindrical roller bearings -- Cylindrical roller bearings, single row SKF NU 221 ECJ

NU 221 ECJ

SKF Explorer

Dimensions

d		105	mm
D		190	mm
B		36	mm
D₁	≈	164	mm
F		125	mm
r_1,2	min.	2.1	mm
r_3,4	min.	2.1	mm
s	max.	2	mm

Abutment dimensions

d_a	min.	117	mm
d_a	max.	122	mm
d_b	min.	128	mm
D_a	max.	177.3	mm
r_a	max.	2	mm
r_b	max.	2	mm

Calculation data

Basic dynamic load rating	C	300	kN
Basic static load rating	C₀	315	kN
Fatigue load limit	P_u	36.5	kN
Reference speed		3800	r/min
Limiting speed		4300	r/min
Calculation factor	k_r	0.15
Limiting value	e	0.2
Axial load factor	Y	0.6

Mass

Mass bearing

4.1

Associated products

Angle ring

HJ 221 EC

Model Number: NU 221 ECJ
Inner Diameter：105mm Outer Diameter：190mm Width：36mm
Reference speed:4300 r/min Limiting speed:3800 r/min
Type：Bearings, units and housings Roller bearings Cylindrical roller bearings Single row cylindrical roller bearings
Details： Single row cylindrical roller bearings Cylindrical roller bearings, single row
Update date：2026-04-19
Application:wheel lathe,Pneumatic Control Valves,Broadcasting System,journal lathe,sawing machine,air shower etc,stacker lift platform,auto tools,drawing die,root canal filling,Material handling equipment
Similar models:NU 2212 ECJ BD-BS2-2210-2RSK/VT143-H 310 E C 2211 KTN9 NUP 2211 ECP BD-22210 EK-AHX 310 SAFS 22217-11 T 2219 32214 SSAFS 22217 T 62213-2RS1
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