Bearings, units and housings -- Roller bearings -- Cylindrical roller bearings -- Single row cylindrical roller bearings -- Cylindrical roller bearings, single row SKF NU 321 ECJ

NU 321 ECJ

SKF Explorer

Dimensions

d		105	mm
D		225	mm
B		49	mm
D₁	≈	189	mm
F		133	mm
r_1,2	min.	3	mm
r_3,4	min.	3	mm
s	max.	3.4	mm

Abutment dimensions

d_a	min.	119	mm
d_a	max.	129	mm
d_b	min.	136	mm
D_a	max.	209.4	mm
r_a	max.	2.5	mm
r_b	max.	2.5	mm

Calculation data

Basic dynamic load rating	C	500	kN
Basic static load rating	C₀	500	kN
Fatigue load limit	P_u	57	kN
Reference speed		3200	r/min
Limiting speed		3800	r/min
Calculation factor	k_r	0.15
Limiting value	e	0.2
Axial load factor	Y	0.6

Mass

Mass bearing

8.56

Model Number: NU 321 ECJ
Inner Diameter：105mm Outer Diameter：225mm Width：49mm
Reference speed:3800 r/min Limiting speed:3200 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:industry test,altimeter etc,disposable,wall materials,stamping die,stamping die and its equipment,electrostatic protection,equipment,multi-knife lathe,coupling type,Machine Tool Accessories
Similar models:NU 321 ECP N 321 ECP 33216/DF 3218 A SAW 23218 TLC 332129 A/HA4 3215 A 33219 23218 CCK/W33 53211 + U 211
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