Bearings, units and housings -- Roller bearings -- Cylindrical roller bearings -- Single row cylindrical roller bearings -- Cylindrical roller bearings, single row SKF NJ 312 ECM

NJ 312 ECM

SKF Explorer

Dimensions

d		60	mm
D		130	mm
B		31	mm
d₁	≈	84.3	mm
D₁	≈	108.5	mm
F		77	mm
r_1,2	min.	2.1	mm
r_3,4	min.	2.1	mm
s	max.	2.1	mm

Abutment dimensions

d_a	min.	72	mm
d_a	max.	74	mm
d_b	min.	87	mm
D_a	max.	118.1	mm
r_a	max.	2	mm

Calculation data

Basic dynamic load rating	C	173	kN
Basic static load rating	C₀	160	kN
Fatigue load limit	P_u	21.2	kN
Reference speed		5600	r/min
Limiting speed		6700	r/min
Calculation factor	k_r	0.15
Limiting value	e	0.2
Axial load factor	Y	0.6

Mass

Mass bearing

2.18

Associated products

Angle ring

HJ 312 EC

Model Number: NJ 312 ECM
Inner Diameter：60mm Outer Diameter：130mm Width：31mm
Reference speed:6700 r/min Limiting speed:5600 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：2026-04-16
Application:chuck industry,impression material,E Beauty,chemical raw materials and reagents,Medical equipment,Pump,other lathe,magnetic elements,plastic molding,extruder,Forming mold
Similar models:331290 BD-22224 EK-AHX 3124 NU 312 ECM/HC5C3 NU 312 ECM 23122-2CS5/VT143 BD-23120 CCK/W33-AHX 3120 H 3122 AHX 3126 SAF 1312 T GEZ 312 ES
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SSAFS 22528 x 5	127	-	-	Bearings, units and housings
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