Bearings, units and housings -- Roller bearings -- Cylindrical roller bearings -- Single row cylindrical roller bearings -- Cylindrical roller bearings, single row SKF NJ 2209 ECNJ

NJ 2209 ECNJ

SKF Explorer

Dimensions

d		45	mm
D		85	mm
B		23	mm
d₁	≈	59	mm
D₁	≈	72.4	mm
D₃		81.81	mm
F		54.5	mm
C₂		3.28	mm
b		1.9	mm
r_1,2	min.	1.1	mm
r_3,4	min.	1.1	mm
s	max.	1.7	mm

Abutment dimensions

d_a	min.	52	mm
d_a	max.	53	mm
d_b	min.	61	mm
D_a	max.	77.6	mm
r_a	max.	1	mm
r_b	max.	1	mm

Calculation data

Basic dynamic load rating	C	85	kN
Basic static load rating	C₀	81.5	kN
Fatigue load limit	P_u	10.6	kN
Reference speed		9000	r/min
Limiting speed		9500	r/min
Calculation factor	k_r	0.2
Limiting value	e	0.3
Axial load factor	Y	0.4

Mass

Mass bearing

0.55

Model Number: NJ 2209 ECNJ
Inner Diameter：45mm Outer Diameter：85mm Width：23mm
Reference speed:9500 r/min Limiting speed:9000 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:Leather Products,EEG,lifting tackle,other accessories,lifting chain,defogging and degreasing,blood cell reagent,root canal filling,Optical detection,cleaners,air purification
Similar models:C 2209 TN9 BD-BS2-2209-2RSK/VT143-H 309 E NUP 2209 ECP BD-C 2209 KTN9-AH 309 2209 ETN9 NJ 2209 ECPH BS2-2209-2RSK/VT143 NJ 2209 ECJ 32209 NJ 2209 ECP
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