"Rolling bearings"
The most representative of rolling bearings, a wide range of uses,
composite roller bearings, radial load and two-way axial load can be
accepted.
Suitable
for high-speed rotation and low noise, low oscillation occasions
Bearings with steel plate bushing dust cover or rubber seal pre-filled
with plain bearings with a suitable amount of grease, outer ring with
snap ring or flange bearings , Roller bearings, that is, a simple axial positioning, bolt roller
bearings, but also facilitate the device within the enclosure.
The maximum load bearing the same size and specifications of the
standard bearing, needle roller needle roller bearings, but inside and
outside the ring has a filling slot, adding the ball number, increased
additional load.
"Self-aligning ball bearings"
Spherical Roller Bearings Roller Needle Bearings Roller Bearings Two
Raceway Compound Roller Bearings Inner Ring Bolt Type Roller Needle
Roller Bearings Raceway Bolt Roller Bearings The spherical roller
bearings are mounted between the outer rings.
The center of curvature of the outer raceway surface is the same as
the bearing center, so it has the same centering function as the
self-aligning ball bearing.
In the shaft, the shell presents flexing, the main composite bearing dynamic load transfer and axial load in both directions.
Radial load can be large, suitable for roller bearing heavy load, impact load conditions.
Inner
diameter combination Needle roller bearing tapered bore bearings can be
directly installed. Or the use of adapter sleeve, disassembled cylinder
device Roller needle roller bearings Cylindrical shaft. Insist on the
use of steel frame stamped adherence, polyamide formed stent and copper
alloy Car adhere to the frame.
"Needle roller bearings"
Solid Needle Bearings
With
the inner ring bearing the same basic structure and NU cylindrical
roller bearings, but because the use of needle roller, the volume can be
reduced, and can accept a large radial load without inner ring bearing
to have the appropriate precision and hardness of the shaft device
surface as Raceway use.
Thrust needle roller bearings
The eccentric bearing is composed of raceway ring, needle roller and
holding frame. It can be combined with the thin rolling circle (W) for
stamping or the thick rolling circle (WS) for cutting.
Non-off-type
bearings by the precision stamping process of the bearing ring and the
needle roller and holding frame components of the integral type of
bearings can accept one-way axial load of such bearings. Small
footprint, is conducive to the mechanical compact planning, mostly Only use the needle roller and adhere to the frame components, and the
shaft and the shell surface device for the roller bearing roller
raceway surface.
"Tapered Roller Bearings"
This
kind of bearing is equipped with a circular trapezoidal roller and the
roller is guided by the large inner wall of the inner ring.The plan is
to make the apexes of the conical surfaces of the inner raceway, the
outer raceway and the roller tumbling surface meet at the bearing
centerline On the point.
Single row bearings can accept radial load and unidirectional axial
load, combined needle roller bearings, double row bearings can accept
radial load and two-way axial load, suitable for receiving heavy loads
and impact loads.
"Cylindrical Roller Bearings"
Depending on the number of columns loaded with rolling bearings,
combined bearings, cylindrical roller bearings can be divided into
single row, double row and multi-row cylindrical roller bearings.
In the meantime, there are many kinds of single row cylindrical roller
bearings which are used for holding frame, as well as other types of
cylindrical roller bearings such as single row or double row full
complement roller.
Single
row cylindrical roller bearings are divided into N-type, NU-type,
NJ-type, NF-type and NUP-type according to the different flanges of the
ferrule, etc. The radial load of the cylindrical roller bearing can be
large, Roller bearings can accept a certain one-way or two-way axial load.
NN-type and NNU-type double row cylindrical roller bearings compact
structure, strong rigidity, bearing roller bearings, bearing capacity
can be large, small deformation after load, mostly for machine tool
spindle support.
FC, FCD, FCDP four-row cylindrical roller bearings can accept larger
radial load, and more for heavy machinery such as rolling mill.
"Spherical roller bearing"
Spherical roller bearings in the outer ring and the double raceway
inner ring with spherical roller, according to the different internal
structure, divided into R, RH, RHA and SR four types.
Because the outer ring raceway arc center and the bearing center, a
roller bearing self-aligning function, which can take the initiative to
adjust due to the shaft or shell deflection or different heart caused
composite roller bearing shaft is not correct.
Radial
load can be accepted and the two-way axial load. Special combination
needle bearing radial load can be large, suitable for receiving heavy
loads and impact load. Conical bore bearings through the use of
fasteners or withdrawal sleeve allows the composite roller on the shaft Bearing assembly and disassembly.
Spherical
roller bearings can accept a larger radial load, together with the
roller bearings to support the axial load can be certain. The outer ring
race bearing combination of spherical bearings, it has self-aligning
function, when the shaft force Twist or skew so that the centerline of the inner ring and the outer
ring centerline relative skew does not exceed 1. ~ 2.5., The bearing can
still work.
"Thrust Roller Bearings"
Thrust roller bearings include thrust spherical roller bearings,
thrust cylindrical roller bearings and thrust tapered roller bearings.
Thrust
spherical roller bearings can accept axial and radial load, roller
needle bearings, but the radial load must not exceed 55% of the axial
load. Another important feature of this type of bearing is the automatic
centering function, and thus So
that it is not very sensitive to different heartbeats and shaft
flexures.And only the load P and P. does not exceed 0.05C, and the shaft
ring rotation, the bearing to allow a certain range of the center of
gravity.Small values for large bearings, And when the load increases promised to reduce the center of gravity angle.
"Spherical Bearings"
Spherical
plain bearings are preferred for applications where simple equipment
and parts are required, for example for agricultural machinery,
transportation systems or construction machinery, mainly for radial and
axial combined load bearing of radial roller bearings, generally Should not accept the axial load alone, support roller bearings, such
bearings can be equipped with the inner ring (with the whole group of
roller and the holder) and the outer ring.
This type of bearing does not allow shaft relative housing skew,
radial load in the appointment of additional axial force will occur.
This type of bearing axial clearance of the size of the normal
operation of the bearing a great relationship, when the axial clearance
is too small, the higher temperature; larger axial clearance, the
bearing simply damaged.
Therefore, the needle roller bearings needle roller device type roller
needle roller operation should pay special attention to adjust the
bearing axial clearance, if necessary, to pre-interference device to add
the rigidity of the bearing.
"Joint Bearing"
Joint bearings are smooth and self-lubricating type. The joint bearing is a special structure of the sliding bearings.
Its
structure is simpler than the rolling bearing, which is mainly composed
of an outer ring with an inner spherical surface, to accept a greater
load, according to a spherical inner ring and its different types and
structures, to accept radial Load, axial load or radial, axial joint load present together.
Generally
used for low-speed swinging movement (ie, angular transport, but also
within a certain angle for skew movement (ie, aligning movement),
because the sliding appearance of spherical motion), the bearing shaft
and the shaft housing hole concentricity Larger, still normal operation.
"Linear Bearings"
Linear ball bearings are mainly used in mechanical equipment in the
linear reciprocating motion of the parts, with a small conflict,
sensitive and easy to repair and replace the advantages.
It is widely used in textile machinery, printing machinery,
pharmaceutical machinery, precision machine tools, electrical cutting
machine bolt-type roller needle roller bearings active recorder and
other fields.
"Angular touch bearing"
Angular
contact ball bearings can accept radial load bolt-type roller needle
bearing axial load, bearing roller bearings with pure axial load, high
speed limit.The ability of such bearings to accept axial load depends on
the touch angle, Large touch angle, axial load to accept high.
"Pressure bearing"
Pressure bearings are off-type bearings, according to their structure
sub-bolt roller bearings one-way pressure ball and two-way pressure ball
bearings.
One-way pressure bearings can accept one direction of axial load,
two-way pressure bearings can accept two directions of axial load.
None of them can accept radial loads.
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