Bearings, units and housings -- Super-precision bearings -- Axial-radial cylindrical roller bearings -- Axial-radial cylindrical roller bearings, super-precision -- SKF NRT 260 B

NRT 260 B

Dimensions

d		260	mm
D		385	mm
H		55	mm
d₁		345	mm
C		18	mm
H₁		36.5	mm
J		280	mm
J₁		365	mm
N		9.3	mm
N₁		15	mm
N₂		9.3	mm
a		8.2	mm
r₁	min.	0.6	mm
r₂	min.	0.6	mm

Calculation data

Basic dynamic load rating - radial direction	C	108	kN
Basic static load rating - radial direction	C₀	355	kN
Basic dynamic load rating - axial direction	C	95	kN
Basic static load rating - axial direction	C₀	780	kN
Attainable speed for grease lubrication		130	r/min
Attainable speed for oil-air lubrication		260	r/min
Axial preload		7.3	kN
Axial unloading force		16	kN
Frictional moment	C_RL	25	N·m
Axial stiffness		14.7	kN/µm
Radial stiffness		8.3	kN/µm
Moment stiffness		153	kN·m/mrad

Mass

Mass bearing

18.2

Rotary table

Guideline diameter

630

Mounting information

Retaining bolts
Size		M8
Number of bolts		2
Angle between bolts		180	°
Removal threads
Size	G	M12
Number of threads		3
Angle between threads		120	°
Required attachment bolts, shaft
Bolt size		M8
Pitch	a	10	°
Number of bolts		34
Number of bolts omitted at retaining bolts position		2, 180° apart
Tightening torque (Bolt grade 10.9)		34	N·m
Required attachment bolts, housing
Bolt size		M8
Pitch	a	10	°
Number of bolts		33
Number of bolts omitted at removal thread position		3, 120° apart

Model Number: NRT 260 B
Inner Diameter：260mm Outer Diameter：385mm Width：55mm
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：2024-12-14
Application:Garment Accessories,mathematical instruments,Embroidery,marine analysis,Laser Cutting,ventilation heating equipment,wheel lathe,noise reduction equipment,scientific instruments,Roller,wheel lathe
Similar models:22260 CC/W33 PBM 240260140 M1G1 BD-23260 CCK/W33-AOH 3260 G PBM 240260350 M1G1 81260 M 6260 M NU 260 MA AOH 3260 G IR 260x285x60 NRT 260 B
BEARING POWER International Trading Co.,Ltd. specialize in NRT260B products，there is large inventory of SKF NRT 260 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 260 B Which SKF NRT260B 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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