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

NUP 311 ECML

SKF Explorer

Dimensions

d		55	mm
D		120	mm
B		29	mm
d₁	≈	77.5	mm
D₁	≈	101	mm
F		70.5	mm
r_1,2	min.	2	mm
r_3,4	min.	2	mm

Abutment dimensions

d_a	min.	65	mm
d_b	min.	80	mm
D_a	max.	109.2	mm
r_a	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		11000	r/min
Calculation factor	k_r	0.23
Limiting value	e	0.2
Axial load factor	Y	0.6

Mass

Mass bearing

1.74

Model Number: NUP 311 ECML
Inner Diameter：55mm Outer Diameter：120mm Width：29mm
Reference speed:11000 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：2026-06-24
Application:insect experimental analysis instrument,air conditioning tools,intermediate,atomizer class,storage and transportation equipment,animal anatomy,Spectrum Products,Dental Drill etc,Antenna Potentials,air purification,stamping die and its equipment
Similar models:311-Z YSA 211-2FK + HE 2311 B 331197 A W 6004-2RS1/VP311 W 6008-2RS1/VP311 NU 2311 ECPH 33113 R 33113 NJ 311 ECML BD-21311 EK-H 311
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Model No. Inner Diameter Outer Diameter Width Type

C 2315 K
OH 31/1000 HE
SAF 22536 x 6.5/16 T
W 61910-2RS1
WS 89316

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Model No.	Inner Diameter	Outer Diameter	Width	Type
C 2315 K
OH 31/1000 HE
SAF 22536 x 6.5/16 T
W 61910-2RS1
WS 89316