Bearings, units and housings -- Roller bearings -- Cylindrical roller bearings -- Single row cylindrical roller bearings -- Cylindrical roller bearings, single row SKF NJ 221 ECJ

NJ 221 ECJ

SKF Explorer

Dimensions

d		105	mm
D		190	mm
B		36	mm
d₁	≈	134	mm
D₁	≈	164	mm
F		125	mm
r_1,2	min.	2.1	mm
r_3,4	min.	2.1	mm
s	max.	2	mm

Abutment dimensions

d_a	min.	117	mm
d_a	max.	122	mm
d_b	min.	137	mm
D_a	max.	177.3	mm
r_a	max.	2	mm

Calculation data

Basic dynamic load rating	C	300	kN
Basic static load rating	C₀	315	kN
Fatigue load limit	P_u	36.5	kN
Reference speed		3800	r/min
Limiting speed		4300	r/min
Calculation factor	k_r	0.15
Limiting value	e	0.2
Axial load factor	Y	0.6

Mass

Mass bearing

Associated products

Angle ring

HJ 221 EC

Model Number: NJ 221 ECJ
Inner Diameter：105mm Outer Diameter：190mm Width：36mm
Reference speed:4300 r/min Limiting speed:3800 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：2024-12-16
Application:injection molding machine,other rubber,Laser Measurements,hydraulic actuator,Medium and large motor,steam Hydraulic control element,powder metallurgy,packing equipment,blood cell reagent,Performance test,non-ferrous metal alloy
Similar models:SAF 22213 T NUP 2214 ECP NU 2215 ECJ 32219T105/DB NU 2210 ECML SAF 22215 T 2213 ETN9 NUP 2216 ECJ FSAF 22218 T NU 2212 ECP
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17847	45.2374	69.85	12.7	Seals
36x47x7 HMSA10 RG	36	47	7	Seals
7220 BECBP	100	180	34	Bearings, units and housings
FSAF 1520	87.3125	-	-	Bearings, units and housings
FSAF 22517 x 2.7/8 TLC	73.025	-	-	Bearings, units and housings
FYR 2 3/4-3	69.85	-	-	Bearings, units and housings
GE 40 ESL-2LS	40	62	28	Bearings, units and housings
GEH 45 ES-2LS	45	75	28	Bearings, units and housings
OKC 270	270		-
SIL 20 ESX-2LS	20	-	16	Bearings, units and housings
SY 1. TDW	25.4	-	-	Bearings, units and housings
SYNT 60 LW	60	-	-	Bearings, units and housings

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