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

NU 321 ECML

SKF Explorer

Dimensions

d		105	mm
D		225	mm
B		49	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.	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		5600	r/min
Calculation factor	k_r	0.23
Limiting value	e	0.2
Axial load factor	Y	0.6

Mass

Mass bearing

9.5

Model Number: NU 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：2026-04-18
Application:hydraulic cylinder,diving equipment,Tool,lifting tackle,bio-chemical,food sterilization,engineering machinery,Spectral Products,Wire grinder,Insect Count,Digital Generator
Similar models:PBMF 223216 M1G1 BT2B 332167 C/HA3 53216 + U 216 53217 + U 217 3219 A 3213 A 3215 A-2Z 332167 PCZ 3216 M 332169 A
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28 VS V	25	-	-	Seals
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IR 7x10x16	7	10	16	Bearings, units and housings
SAKB 5 F	5	-	8	Bearings, units and housings
SHR 150	150	-	-	Coupling systems
SIL 80 ESX-2LS	80	-	55	Bearings, units and housings
SYJ 40 KF	35	-	-	Bearings, units and housings

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