Bearings, units and housings -- Roller bearings -- Cylindrical roller bearings -- Single row cylindrical roller bearings -- Cylindrical roller bearings, single row SKF NJ 2988 ECM/HB1

NJ 2988 ECM/HB1

Dimensions

d		440	mm
D		600	mm
B		95	mm
d₁	≈	495	mm
D₁	≈	550	mm
F		481.5	mm
r_1,2	min.	4	mm
s	max.	3.5	mm

Abutment dimensions

d_a	min.	455	mm
d_a	max.	477	mm
d_b	min.	500	mm
D_a	max.	585	mm
r_a	max.	3	mm

Calculation data

Basic dynamic load rating	C	1720	kN
Basic static load rating	C₀	3600	kN
Fatigue load limit	P_u	310	kN
Reference speed		1100	r/min
Limiting speed		1400	r/min
Calculation factor	k_r	0.07
Limiting value	e	0.3
Axial load factor	Y	0.4

Mass

Mass bearing

Model Number: NJ 2988 ECM/HB1
Inner Diameter：440mm Outer Diameter：600mm Width：95mm
Reference speed:1400 r/min Limiting speed:1100 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：2024-12-13
Application:industrial skin care,power source,medical equipment,Oral Equipment,sewage pump,printing equipment,Special Equipment,Cylinder Type,chemical instruments,EEG,die casting mold
Similar models:NJ 2988 ECML NCF 2988 V NJ 2988 ECM/HB1
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Model No.	Inner Diameter	Outer Diameter	Width	Type
220x250x15 HMS5 RG	220	250	15	Seals
350x380x16 HDS1 R	350	380	16	Seals
86562	-	-	63.5	Seals
920 VRME R	880	-	-	Seals
960x1020x25 HDS2 D	960	1020	25	Seals
H 3120 E	90	130	76	Bearings, units and housings
NU 328 ECJ	140	300	62	Bearings, units and housings
OKBS 110	110	-	-
OKCX 690	690		-
SYR 2 3/4-3	69.85	-	-	Bearings, units and housings
W 61900-2RZ	10	22	6	Bearings, units and housings
Z 204	20	-	5	Seals

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