Bearings, units and housings -- Super-precision bearings -- Axial-radial cylindrical roller bearings -- Axial-radial cylindrical roller bearings, super-precision -- SKF NRT 180 B

NRT 180 B

Dimensions

d		180	mm
D		280	mm
H		43	mm
d₁		244	mm
C		15	mm
H₁		29	mm
J		194	mm
J₁		260	mm
N		7	mm
N₁		11	mm
N₂		7	mm
a		6.2	mm
r₁	min.	0.6	mm
r₂	min.	0.3	mm

Calculation data

Basic dynamic load rating - radial direction	C	89.7	kN
Basic static load rating - radial direction	C₀	236	kN
Basic dynamic load rating - axial direction	C	80	kN
Basic static load rating - axial direction	C₀	560	kN
Attainable speed for grease lubrication		190	r/min
Attainable speed for oil-air lubrication		380	r/min
Axial preload		2.6	kN
Axial unloading force		5.6	kN
Frictional moment	C_RL	13	N·m
Axial stiffness		10.6	kN/µm
Radial stiffness		5.8	kN/µm
Moment stiffness		54	kN·m/mrad

Mass

Mass bearing

7.5

Rotary table

Guideline diameter

400

Mounting information

Retaining bolts
Size		M6
Number of bolts		2
Angle between bolts		180	°
Removal threads
Size	G	M8
Number of threads		3
Angle between threads		120	°
Required attachment bolts, shaft
Bolt size		M6
Pitch	a	7.5	°
Number of bolts		46
Number of bolts omitted at retaining bolts position		2, 180° apart
Tightening torque (Bolt grade 10.9)		14	N·m
Required attachment bolts, housing
Bolt size		M6
Pitch	a	7.5	°
Number of bolts		45
Number of bolts omitted at removal thread position		3, 120° apart

Model Number: NRT 180 B
Inner Diameter：180mm Outer Diameter：280mm Width：43mm
Reference speed:- Limiting speed:-
Type：Bearings, units and housings Super-precision bearings Axial-radial cylindrical roller bearings Axial-radial cylindrical roller bearings, super-precision
Details： Axial-radial cylindrical roller bearings, super-precision
Update date：2026-04-16
Application:ventilator anesthesia machine etc,plastic molding,thread processing machine,printing equipment,woodworking machinery,Storage Tool,Seals,tube,electrostatic protection,Animal Tracking,chromatography
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BEARING POWER International Trading Co.,Ltd. specialize in NRT180B products，there is large inventory of SKF NRT 180 B Axial-radial cylindrical roller bearings, super-precision. We has been built up long-term cooperation with SKF company, could make a bulk order of the NRT 180 B Which SKF NRT180B 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.

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Hot number： 11777 14810 22312 EK/VA405 401406 42x55x8 HMS5 V 6011 M 719/710 ACMB 71930 ACD/HCP4AL 86715 99640 K 81218 TN MBL 34 PCMF 353926 E RSTO 45 S71906 ACD/HCP4A