Bearings, units and housings -- Roller bearings -- Cylindrical roller bearings -- Single row cylindrical roller bearings -- Cylindrical roller bearings, single row SKF N 311 ECM

N 311 ECM

SKF Explorer

Dimensions

d		55	mm
D		120	mm
B		29	mm
d₁	≈	77.5	mm
E		106.5	mm
r_1,2	min.	2	mm
r_3,4	min.	2	mm
s	max.	2	mm

Abutment dimensions

d_a	min.	65	mm
d_a	max.	104	mm
D_a	min.	109	mm
D_a	max.	111	mm
r_a	max.	2	mm
r_b	max.	2	mm

Calculation data

Basic dynamic load rating	C	156	kN
Basic static load rating	C₀	143	kN
Fatigue load limit	P_u	18.6	kN
Reference speed		6000	r/min
Limiting speed		7000	r/min
Calculation factor	k_r	0.12
Limiting value	e	0.2
Axial load factor	Y	0.6

Mass

Mass bearing

1.66

Model Number: N 311 ECM
Inner Diameter：55mm Outer Diameter：120mm Width：29mm
Reference speed:7000 r/min Limiting speed:6000 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：2021-06-10
Application:altimeter etc,Forging machine,DC generators,Hair styling device,Cylinder Pneumatic Treatment Element,Tool,medical equipment,vacuum filter,Perfusion device,gear type,labor insurance
Similar models:NU 311 ECML FSAF 22311 T 22311 EK + AHX 2311 HJ 2311 EC W 6004-2RS1/VP311 33111 BD-C 2211 KTN9-AHX 311 YSA 211-2FK + HA 2311 331190 7311 ACCBM
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Model No.	Inner Diameter	Outer Diameter	Width	Type
12350	31.75	42.85	7.95	Seals
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240x280x16 HDS2 R	240	280	16	Seals
24184 ECA/W33	420	700	280	Bearings, units and housings
510/950 M	950	1080	63	Bearings, units and housings
51306 V/HR11Q1	30	60	21	Bearings, units and housings
51315	75	135	44	Bearings, units and housings
GEZH 304 ESX-2LS	82.55	139.7	66.675	Bearings, units and housings
NJ 236 ECML	180	320	52	Bearings, units and housings
RNA 2208.2RS	48	80	22.7	Bearings, units and housings
SAFS 22515 TLC	61.9125	-	-	Bearings, units and housings
SYR 4-18	101.6	-	-	Bearings, units and housings

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