Bearings, units and housings -- Roller bearings -- Cylindrical roller bearings -- Single row cylindrical roller bearings -- Cylindrical roller bearings, single row SKF NJ 28/710 ECMA

NJ 28/710 ECMA

Dimensions

d		710	mm
D		870	mm
B		95	mm
d₁	≈	766	mm
D₁	≈	817	mm
F		751	mm
r_1,2	min.	4	mm
s	max.	1.5	mm

Abutment dimensions

d_a	min.	728	mm
d_a	max.	745	mm
d_b	min.	771	mm
D_a	max.	853	mm
r_a	max.	3	mm

Calculation data

Basic dynamic load rating	C	1940	kN
Basic static load rating	C₀	5000	kN
Fatigue load limit	P_u	375	kN
Reference speed		630	r/min
Limiting speed		850	r/min
Calculation factor	k_r	0.15
Limiting value	e	0.3
Axial load factor	Y	0.4

Mass

Mass bearing

130

Model Number: NJ 28/710 ECMA
Inner Diameter：710mm Outer Diameter：870mm Width：95mm
Reference speed:850 r/min Limiting speed:630 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:Roller,directional control valve,auto tools,vertical pull,mechanical annex,engineering machine,large agricultural machinery,Body shaping,woodworking machinery,electromagnetic clutch,hardware
Similar models:SAF 22628 x 4.13/16 TLC FY 1.1/4 TF/VA228 22228 CC/W33 BD-23288 CAK/W33-AOHX 3288 G BT2B 328615 SY 30 TF/VA228 BT4B 328203/HA1 NU 228 ECM/C3VL2071 W 628/5-2RZ 728 CD/HCP4A
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