Bearings, units and housings -- Super-precision bearings -- Axial-radial cylindrical roller bearings -- Axial-radial cylindrical roller bearings, super-precision -- SKF NRT 850 A

NRT 850 A

Dimensions

d		850	mm
D		1095	mm
H		124	mm
d₁		1018	mm
C		37	mm
H₁		80.5	mm
J		890	mm
J₁		1055	mm
N		18	mm
N₁		26	mm
N₂		18	mm
a		17	mm
r₁	min.	1.5	mm
r₂	min.	1.5	mm

Calculation data

Basic dynamic load rating - radial direction	C	473	kN
Basic static load rating - radial direction	C₀	2120	kN
Basic dynamic load rating - axial direction	C	415	kN
Basic static load rating - axial direction	C₀	6400	kN
Attainable speed for grease lubrication		40	r/min
Attainable speed for oil-air lubrication		80	r/min
Axial preload		47	kN
Axial unloading force		103	kN
Frictional moment	C_RL	300	N·m
Axial stiffness		77	kN/µm
Radial stiffness		22.4	kN/µm
Moment stiffness		7011	kN·m/mrad

Mass

Mass bearing

253

Rotary table

Guideline diameter

1800

Mounting information

Retaining bolts
Size		M16
Number of bolts		2
Angle between bolts		180	°
Removal threads
Size	G	M16
Number of threads		6
Angle between threads		60	°
Required attachment bolts, shaft
Bolt size		M16
Pitch	a	6	°
Number of bolts		58
Number of bolts omitted at retaining bolts position		2, 180° apart
Tightening torque (Bolt grade 10.9)		284	N·m
Required attachment bolts, housing
Bolt size		M16
Pitch	a	6	°
Number of bolts		54
Number of bolts omitted at removal thread position		6, 60° apart

Model Number: NRT 850 A
Inner Diameter：850mm Outer Diameter：1095mm Width：124mm
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：2024-12-20
Application:Handling machinery and various industrial machinery,metering pump,pressure control valve,bag machine,Pneumatic Actuator,Gripper Swing,tobacco machinery,Seals,Power equipment,agricultural testing and analysis equipment and related,equipment
Similar models:OH 39/850 HE C 39/850 M NRT 850 A BD-C 39/850 KM-OH 39/850 HE MS 31/850 240/850 ECA/W33 232/850 CAF/W33 AOH 32/850 238/850 CAMA/W20 PWM 505850
BEARING POWER International Trading Co.,Ltd. specialize in NRT850A products，there is large inventory of SKF NRT 850 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 850 A Which SKF NRT850A 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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