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：2026-04-17
Application:EEG,light therapy instrument,Anti-defibrillation pacing,cleaners,economic mold,generator,metallurgy,forming machine,textile machinery,Spectrum Products,Warehouse Shelf Equipment
Similar models:SAF 1311 3311 A-2Z 331169 E/C500 HA 311 7311 BECBP 6311 3311 ATN9 21311 E 7311 BECBY 7311 BEGAY
BEARING POWER International Trading Co.,Ltd. specialize in NJ311ECM products，there is large inventory of SKF NJ 311 ECM Single row cylindrical roller bearings. We has been built up long-term cooperation with SKF company, could make a bulk order of the NJ 311 ECM Which SKF NJ311ECM is the most authentic, must choose BEARING POWER, what a whole variety, reasonable price, guaranteed quality, prompt delivery via Global express. Any inquiry, never hesitate to E-mail or call +86-022-58519721 to contact us.

Model No.	Inner Diameter	Outer Diameter	Width	Type
125x150x12 CRW1 R	125	150	12	Seals
1308 ETN9	40	90	23	Bearings, units and housings
240/710 ECA/W33	710	1030	315	Bearings, units and housings
28x47x10 HMS5 V	28	47	10	Seals
340x380x18 HDS2 R	340	380	18	Seals
418/414	38.1	88.5	26.988	Bearings, units and housings
7004 CD/HCP4AH	20	42	12	Bearings, units and housings
KM 32	25	-	160	Bearings, units and housings
NJ 1017 ML	85	130	22	Bearings, units and housings
SSAFS 22544 x 7.7/8	200.025	-	-	Bearings, units and housings
SSAFS 23038 KA x 6.13/16	173.0375	-	-	Bearings, units and housings
ZW 20x28	20	28	2	Seals

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