Bearings, units and housings -- Roller bearings -- Cylindrical roller bearings -- Single row cylindrical roller bearings -- Cylindrical roller bearings, single row SKF NJ 228 ECM

NJ 228 ECM

SKF Explorer

Dimensions

d		140	mm
D		250	mm
B		42	mm
d₁	≈	179	mm
D₁	≈	215.78	mm
F		169	mm
r_1,2	min.	3	mm
r_3,4	min.	3	mm
s	max.	2.5	mm

Abutment dimensions

d_a	min.	154	mm
d_a	max.	165	mm
d_b	min.	182	mm
D_a	max.	235	mm
r_a	max.	2.5	mm

Calculation data

Basic dynamic load rating	C	450	kN
Basic static load rating	C₀	510	kN
Fatigue load limit	P_u	57	kN
Reference speed		2800	r/min
Limiting speed		3200	r/min
Calculation factor	k_r	0.15
Limiting value	e	0.2
Axial load factor	Y	0.6

Mass

Mass bearing

9.55

Associated products

Angle ring

HJ 228 EC

Model Number: NJ 228 ECM
Inner Diameter：140mm Outer Diameter：250mm Width：42mm
Reference speed:3200 r/min Limiting speed:2800 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:manual Tools,transistor fittings,building decoration raw materials and accessories,food safety,E Beauty,spreader series,Seals,power tools,Leather Products,Rolling mill,medical equipment
Similar models:FYT 1.3/8 TF/VA228 22228 CC/W33 30228T102/DB SAF 22228 YAR 212-2FW/VA228 30228T106/DB C 2228 K SY 35 TF/VA228 SY 1.3/16 TF/VA228 6205-2Z/VA228
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Model No.	Inner Diameter	Outer Diameter	Width	Type
13275	33.3502	76.1	12.7	Seals
19596	50	68	9	Seals
23286	59.0042	99.9998	10.0076	Seals
331350	939.8	1333.5	-	Bearings, units and housings
87899	-	-	40	Seals
FSNL 615 TURU	65	-	-	Bearings, units and housings
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NKI 55/35	55	72	35	Bearings, units and housings
PF 3/4 FM	19.05	-	-	Bearings, units and housings
SAA 70 TXE-2LS	70	-	49	Bearings, units and housings
W 61908-2RS1	40	62	12	Bearings, units and housings
W 617/3 R	3	6	2	Bearings, units and housings

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