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

NJ 221 ECML

SKF Explorer

Dimensions

d		105	mm
D		190	mm
B		36	mm
d₁	≈	134	mm
D₁	≈	165	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		6300	r/min
Calculation factor	k_r	0.23
Limiting value	e	0.2
Axial load factor	Y	0.6

Mass

Mass bearing

4.67

Associated products

Angle ring

HJ 221 EC

Model Number: NJ 221 ECML
Inner Diameter：105mm Outer Diameter：190mm Width：36mm
Reference speed:6300 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：2021-06-06
Application:tapered grinder,tower crane,chuck industry,PVC,Equipment,equipment,security equipment,packaging machinery,thread processing machine,aerial work platform,medical equipment
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FYTB 1.5/8 TF	41.275	-	-	Bearings, units and housings
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PCZ 0810 M	12.7	15.08125	15.875	Bearings, units and housings
SAF 23052 KA x 9.1/2	241.3	-	-	Bearings, units and housings
SAFS 22517	74.6125	-	-	Bearings, units and housings
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