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

NJ 311 ECJ

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

1.53

Associated products

Angle ring

HJ 311 EC

Model Number: NJ 311 ECJ
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:Optical Instruments,Rolling mill gear box,Digital Generator,sleep monitoring,car,surgical instruments,extruder,miscellaneous instruments,Low-voltage electrical equipment,engine,tooth filling
Similar models:NU 2311 ECML NUP 2311 ECP W 6005-2RS1/VP311 22311 E/VA405 311 331156 G NJ 2311 ECPH 331197 A W 6001-2RS1/VP311 6311
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Model No.	Inner Diameter	Outer Diameter	Width	Type
16077	41.275	60.3	7.95	Seals
2500255	635	673.1	19.05	Seals
320x358x19 HDS1 R	320	358	19	Seals
365 VE R	357	-	-	Seals
6206/VA201	30	62	16	Bearings, units and housings
9907	25.4	40	7.95	Seals
FY 1.7/16 TF/VA201	36.512	-	46.4	Bearings, units and housings
FYR 2 3/4	69.85	-	-	Bearings, units and housings
OH 31/800 HE	750	1000	505	Bearings, units and housings
SA 30 C	30	-	22	Bearings, units and housings
SNL 616 TURU	70	-	-	Bearings, units and housings
W 61802-2RS1	15	24	5	Bearings, units and housings

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