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：2026-04-16
Application:diagnostic test paper,storage shelves,reducer,medical Equipment,powder metallurgy,transportation equipment,hydraulic pump,office equipment,chamfer,security,journal lathe
Similar models:3210 A-2RS1TN9/MT33 33216/DF 53213 + U 213 23218 CCK/W33 53214 + U 214 SAW 23218 3213 A 6321-2Z 3210 A BT4B 332188/HA1
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Model No.	Inner Diameter	Outer Diameter	Width	Type
170x200x15 HMSA10 RG	170	200	15	Seals
32x47x7 HMS5 V	32	47	7	Seals
33011/DF	55	90	-	Bearings, units and housings
6204-2RSH	20	47	14	Bearings, units and housings
AOH 241/750 G	710	750	520	Bearings, units and housings
BC2B 320075	360	500	125	Bearings, units and housings
FSAF 22617 x 2.13/16 T	71.4375	-	-	Bearings, units and housings
GEH 20 TXE-2LS	20	42	16	Bearings, units and housings
HA 213	55.5625	65	40	Bearings, units and housings
HCCE 120 R	203	838	-	Coupling systems
NKI 100/30	100	130	30	Bearings, units and housings
SAA 50 ESX-2LS	50	-	35	Bearings, units and housings

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Hot number： 15138 19737 23144-2CS5K/VT143 28 VA R 31305 403250 35x47x7 HMS5 RG 361207 R D/W RW0 R-2Z FSNL 532 TURU NJ 406 PCMW 487402 E PCZ 2824 M SAW 23538 x 6.7/8 T SNL 3068 TURA