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

NJ 311 ECM

SKF Explorer

Dimensions

d		55	mm
D		120	mm
B		29	mm
d₁	≈	77.5	mm
D₁	≈	100.3	mm
F		70.5	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.	68	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		7000	r/min
Calculation factor	k_r	0.15
Limiting value	e	0.2
Axial load factor	Y	0.6

Mass

Mass bearing

1.75

Associated products

Angle ring

HJ 311 EC

Model Number: NJ 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：2025-12-09
Application:cleaners,coupling type,sheet industry,engineering machinery,Optical Instruments,multi-knife lathe,sanitation facilities,glass processing machine,Handling machinery and various industrial machinery,plastic molding,enzyme
Similar models:YSA 211-2FK + H 2311 NJ 311 ECJ BD-21311 EK-AHX 311 1311 EKTN9 331197 A W 6000-2RS1/VP311 30311 6311-RS1 6311-2Z/VA201 W 6006-2RS1/VP311
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Model No.	Inner Diameter	Outer Diameter	Width	Type
355 VRME R	347	-	-	Seals
470551	536	-	-	Seals
53201 + U 201	12	28	11.4	Bearings, units and housings
TQO design	409.575	546.1	-	Bearings, units and housings
GRA 3009	45	67	23	Bearings, units and housings
MB 13 A	65	92	-	Bearings, units and housings
HM 31/850	118	-	850	Bearings, units and housings
HN 1212	12	18	12	Bearings, units and housings
MVR1-65	65	85	-	Seals
RNU 310 ECP	65	110	27	Bearings, units and housings
SY 2.15/16 DUTF	74.613	-	-	Bearings, units and housings
SY 55 TF	55	-	-	Bearings, units and housings

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Hot number： 30232/DF 31227 59192 F 6002-RSL 6200/HR22T2 7008 ACD/P4A 980 VRME R FYJ 515 NN 3040 K/SPW33 OKF 110 P 45 TF PCMW 183201.5 M PSMF 152115 A51 QJ 214 N2PHAS TU 13/16 TF