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

NJ 221 ECP

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 ECP
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:Medium and large motor,Power equipment,cleaning agent,air shower etc,sheet industry,coal,glass processing machine,Oral Image,Hydraulic Rama,Generator,diving equipment
Similar models:NJ 2214 ECPH SAFS 22215 BD-22216 EK-AH 316 BS2-2213-2RSK/VT143 NUP 2214 ECM BD-C 2213 KTN9-H 313 E NJ 2216 ECM C 2211 KV 32214/DF NU 2219 ECM
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