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

NJ 221 ECJ

SKF Explorer

Dimensions

d		105	mm
D		190	mm
B		36	mm
d₁	≈	134	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.	137	mm
D_a	max.	177.3	mm
r_a	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

Associated products

Angle ring

HJ 221 EC

Model Number: NJ 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：2025-12-09
Application:Anesthetic Equipment,Energy saving energy saving energy saving energy saving energy saving energy saving energy saving energy saving energy saving energy saving energy saving,Machine tool accessories,car steering pin,coal,Hairbrush device,gear grinding machine,Automobile,axle lathe,,turret industry
Similar models:SAF 22217 TLC NA 2210.2RSX 2215 EKTN9 2213 EKTN9 + H 313 32216 NU 2210 ECPH BS2-2218-2RSK/VT143 NU 2210 ECJ NJ 2213 ECJ 2218 KM
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