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

NU 321 ECP

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

8.5

Model Number: NU 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：2025-12-09
Application:bag machine,medical equipment,Hydraulic Rama,gas turbine,car and accessories,chemical raw materials and reagents,walking Food processing machinery and equipment,luminescent reagent,pump accessories,experimental equipment,Hydraulic Couplings
Similar models:3210 A-2RS1TN9/MT33 332129 A/HA4 PCZ 3216 M BT2B 332176 A PPMF 202321.5 53215 + U 215 7321 BEP 3212 A-2RS1TN9/MT33 332171 NU 321 ECP
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Model No.	Inner Diameter	Outer Diameter	Width	Type
124020	314.96	365.125	-	Seals
19612	50	66.5	15	Seals
33218	90	160	55	Bearings, units and housings
510/670 F	670	730	45	Bearings, units and housings
604	4	12	4	Bearings, units and housings
6201	12	32	10	Bearings, units and housings
65x80x8 HMS5 V	65	80	8	Seals
90042	-	-	50	Seals
BS2-2210-2RS/VT143	50	90	28	Bearings, units and housings
D/W R6-5	12.7	22.225	5.558	Bearings, units and housings
PCMS 2005002.0 M	-	-	200	Bearings, units and housings
Z 009	45	-	6	Seals

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