23144-2CS5K/VT143

Spherical roller bearing with tapered bore, integral sealing and relubrication features

Spherical roller bearings can accommodate heavy loads in both directions.

They are self-aligning and accommodate misalignment and shaft deflections, with virtually no increase in friction or temperature. Under normal operating conditions, sealed bearings are almost maintenance-free, keeping service costs and grease consumption low. The design includes features to facilitate relubrication.

  • Accommodate misalignment
  • High load carrying capacity
  • Sealed for increased reliability, with relubrication features
  • Low friction and long service life
  • Increased wear resistance

Dimensions

d
220 mm
 Bore diameter
tΔdmp 0.0  –  0.046 mm Deviation limits of mid-range bore diameter
tΔSL 0.0  –  0.046 mm Deviation limits of tapered slope
D
370 mm
 Outside diameter
tΔDmp -0.04  –  0.0 mm Deviation limits of mid-range outside diameter
B
120 mm
 Width
tΔBs -0.08  –  0.0 mm Deviation limits of ring width
d2
≈249 mm
 Shoulder diameter of inner ring
D1
≈332 mm
 Shoulder/recess diameter of outer ring
b
16.7 mm
 Width of lubrication groove
K
9 mm
 Diameter of lubrication hole
r1,2
min.4 mm
 Chamfer dimension
Normal
 ISO tolerance class for dimensions
Abutment dimensions - 23144-2CS5K/VT143

Abutment dimensions

da
max.249 mm
 Diameter of shaft abutment
Da
max.353 mm
 Diameter of housing abutment
ra
max.3 mm
 Radius of fillet

Calculation data

SKF performance class
SKF Explorer
Basic dynamic load rating C
1 891 kN
Basic static load rating C0
2 750 kN
Fatigue load limit Pu
232 kN
Limiting speed
380 r/min
Limiting value e
0.28
Calculation factor Y1
2.4
Calculation factor Y2
3.6
Calculation factor Y0
2.5

Tolerances of run-out

Range of section height at inner ring of assembled bearing tKia
10 µm
Maximum run-out of inner ring side face to the bore tSd
11 µm
Range of section height at outer ring of assembled bearing tKea
20 µm
Perpendicularity of outer ring outside surface tSD
6.5 µm
ISO tolerance class for geometrical tolerances
P5

Radial internal clearance

Minimum initial clearance
180 µm
Maximum initial clearance
250 µm
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SKU: 23144-2CS5K/VT143-SKF Categories: , ,
SKF

Description

Properties

Number of rows 2
Locating feature, bearing outer ring Without
Bore type Tapered 1:12
Cage Sheet metal
Radial internal clearance CN
Tolerance class for dimensions Normal
Tolerance class for run-out P5
Sealing Seal on both sides
Sealing type Contact
Lubricant Grease
Relubrication feature With
Candidate for remanufacturing Yes

Logistics

Product net weight 50.4 kg
eClass code 23-05-09-11
UNSPSC code 31171510

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(220X370X120) (23144-2CS5KVT143)

Additional information

Weight 50.4 kg
Size (mm)

Colour

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