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：2026-04-20
Application:electromagnetic clutch,Switch,glass,product accessories,die casting mold,Medium and large motor,experimental equipment,other CNC,small diesel generators,tobacco machinery,Medical room equipment
Similar models:3212 A 3214 A 3210 A-2ZTN9/MT33 332167 NJ 321 ECML 33217 33219 BD-23218 CCK/W33-AHX 3218 31321 X 3211 A-2RS1
BEARING POWER International Trading Co.,Ltd. specialize in NU321ECJ products，there is large inventory of SKF NU 321 ECJ Single row cylindrical roller bearings. We has been built up long-term cooperation with SKF company, could make a bulk order of the NU 321 ECJ Which SKF NU321ECJ is the most authentic, must choose BEARING POWER, what a whole variety, reasonable price, guaranteed quality, prompt delivery via Global express. Any inquiry, never hesitate to E-mail or call +86-022-58519721 to contact us.

Model No.	Inner Diameter	Outer Diameter	Width	Type
23128 CC/W33	140	225	68	Bearings, units and housings
3208 A-2ZTN9/MT33	40	80	30.2	Bearings, units and housings
51200 V/HR22Q2	10	26	11	Bearings, units and housings
71924 ACB/HCP4A	120	165	22	Bearings, units and housings
71936 ACD/HCP4AH1	180	250	33	Bearings, units and housings
C 3056 K	280	420	106	Bearings, units and housings
GEZM 500 ESX-2LS	127	196.85	95.25	Bearings, units and housings
HA 3128 L	125.4125	165	97	Bearings, units and housings
K 42x50x20	42	50	20	Bearings, units and housings
NU 205 ECPHA	25	52	15	Bearings, units and housings
SAF 1308	40	-	-	Bearings, units and housings
SAF 22626 x 4.5/16 TLC	109.5375	-	-	Bearings, units and housings

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Hot number： 13614 316062 49929 61904-2RS1 7026 CD/P4AL 7207 BEP 7301 BE-2RZP FYTB 507 M NJ 2210 ECPH HE 317 E NU 210 ECP OKBS 116 PSM 606860 A51 SAF 22620 x 3.5/16 T SAFS 23038 KATLC x 7