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

NJ 321 ECML

SKF Explorer

Dimensions

d		105	mm
D		225	mm
B		49	mm
d₁	≈	145	mm
D₁	≈	190	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		5600	r/min
Calculation factor	k_r	0.23
Limiting value	e	0.2
Axial load factor	Y	0.6

Mass

Mass bearing

10.3

Model Number: NJ 321 ECML
Inner Diameter：105mm Outer Diameter：225mm Width：49mm
Reference speed:5600 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:food / grain / food equipment,knitted fabrics,lifting upgrade,tobacco machinery,equipment and,Switch,Warehouse Shelf Equipment,animal,coal,oral medical device,scientific instruments
Similar models:3213 A-2Z BT2B 332176 A 3210 A-2ZTN9/MT33 6321-Z 3212 A-2RS1 332169 A PBMF 223216 M1G1 NJ 321 ECML 3211 ATN9 3212 A
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