Bearings, units and housings -- Roller bearings -- Cylindrical roller bearings -- Single row cylindrical roller bearings -- Cylindrical roller bearings, single row SKF NJ 29/630 ECMA/HB1

NJ 29/630 ECMA/HB1

Dimensions

d		630	mm
D		850	mm
B		128	mm
d₁	≈	703	mm
D₁	≈	782	mm
F		683	mm
r_1,2	min.	6	mm
s	max.	7.1	mm

Abutment dimensions

d_a	min.	653	mm
d_a	max.	678	mm
d_b	min.	709	mm
D_a	max.	827	mm
r_a	max.	5	mm

Calculation data

Basic dynamic load rating	C	3300	kN
Basic static load rating	C₀	7200	kN
Fatigue load limit	P_u	510	kN
Reference speed		700	r/min
Limiting speed		900	r/min
Calculation factor	k_r	0.07
Limiting value	e	0.3
Axial load factor	Y	0.4

Mass

Mass bearing

230

Model Number: NJ 29/630 ECMA/HB1
Inner Diameter：630mm Outer Diameter：850mm Width：128mm
Reference speed:900 r/min Limiting speed:700 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：2026-04-19
Application:shoe-making machinery,oral medical device,walking Food processing machinery and equipment,DC generators,animal anatomy,pipe fittings Steel industry,tapered grinder,Blood coagulation reagent,thin metal materials,other mold,tapping machine
Similar models:NCF 2936 CV 292/600 EM 29476 EM 32930 29252 NU 2980 ECMA 312980 D 332129 A/HA4 K 22x29x16 NCF 2916 CV
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