Bearings, units and housings -- Super-precision bearings -- Axial-radial cylindrical roller bearings -- Axial-radial cylindrical roller bearings, super-precision -- SKF NRT 650 A

NRT 650 A

Dimensions

d		650	mm
D		870	mm
H		122	mm
d₁		800	mm
C		34	mm
H₁		78	mm
J		680	mm
J₁		830	mm
N		14	mm
N₁		20	mm
N₂		14	mm
a		13	mm
r₁	min.	1	mm
r₂	min.	1	mm

Calculation data

Basic dynamic load rating - radial direction	C	413	kN
Basic static load rating - radial direction	C₀	1600	kN
Basic dynamic load rating - axial direction	C	365	kN
Basic static load rating - axial direction	C₀	5000	kN
Attainable speed for grease lubrication		55	r/min
Attainable speed for oil-air lubrication		110	r/min
Axial preload		27	kN
Axial unloading force		59	kN
Frictional moment	C_RL	200	N·m
Axial stiffness		60	kN/µm
Radial stiffness		17.2	kN/µm
Moment stiffness		3209	kN·m/mrad

Mass

Mass bearing

170

Rotary table

Guideline diameter

1450

Mounting information

Retaining bolts
Size		M12
Number of bolts		2
Angle between bolts		180	°
Removal threads
Size	G	M12
Number of threads		6
Angle between threads		60	°
Required attachment bolts, shaft
Bolt size		M12
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)		116	N·m
Required attachment bolts, housing
Bolt size		M12
Pitch	a	7.5	°
Number of bolts		42
Number of bolts omitted at removal thread position		6, 60° apart

Model Number: NRT 650 A
Inner Diameter：650mm Outer Diameter：870mm Width：122mm
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：2021-06-11
Application:Oral Equipment,Other Machine Tools,plastic molding,Grinding and polishing equipment,electromagnet,chemical instruments,crimping tools,test laboratory equipment and accessories,Forming mold,other accessories,stamping die and its equipment
Similar models:NRT 650 A 56425/56650
BEARING POWER International Trading Co.,Ltd. specialize in NRT650A products，there is large inventory of SKF NRT 650 A 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 650 A Which SKF NRT650A 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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