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：2021-06-03
Application:decoration machinery,motor,Power equipment,intermediate,Chromatography Products,Doppler,Surveying Surveying Instruments,Processing machinery,cooling system,medical equipment,Technical Equipment
Similar models:NCF 2988 V NJ 2988 ECM/HB1 NJ 2988 ECML
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Model No.	Inner Diameter	Outer Diameter	Width	Type
21043	54	65	13	Seals
7214 BEP	70	125	24	Bearings, units and housings
86029	-	-	33.35	Seals
9818	25.4	33.32	3.18	Seals
91337	-	-	30	Seals
BT4B 334022 E1/C725	510	655	-	Bearings, units and housings
C 5918 MB	90	125	46	Bearings, units and housings
G 17x25x3	17	25	3	Seals
SAF 1617 x 3 TLC	76.2	-	-	Bearings, units and housings
SAFS 22640 x 7.1/8 T	180.975	-	-	Bearings, units and housings
Z 210	50	-	6	Seals
W 61808 R	40	52	7	Bearings, units and housings

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