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

NJ 321 ECP

SKF Explorer

Dimensions

d		105	mm
D		225	mm
B		49	mm
d₁	≈	145	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.	148	mm
D_a	max.	209.4	mm
r_a	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

9.07

Model Number: NJ 321 ECP
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：2026-04-18
Application:car steering pin,education model Instruments,wheel lathe,Special Equipment,medical equipment,turret industry,pneumatic,plastic rolling,printing machinery,inorganic chemical,engine
Similar models:3217 A NU 321 ECML 33215/DF 332167 33219 33217T145/DB PPMF 202321.5 6321-2Z 33211 7321 BEGAM
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