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medias® Home Description YRT
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Axial/radial bearings
Axial angular contact ball bearings
Accuracy
 
 

The dimensional tolerances are derived from tolerance class P5. The diameter tolerances stated are mean values in accordance with ISO 1132.

  
 

The geometrical tolerances correspond to P4 to DIN 620, see table.

  
 

The bearing bore in the series YRT, RTC and YRTSpeed may be slightly conical when delivered. This is typical of the bearing design and is a result of the radial bearing preload forces. The bearing will regain its ideal geometry when fitted.

  
   

Dimensional tolerances,
mounting dimensions,
axial and radial runout
for YRT, ZKLDF

 

Dimensional tolerances1)
Mounting dimensions
 Axial and radial runout2)
Bore
 Outside diameter
 
 		 Re- stric- ted3)

 		 Re- stric- ted3)
Normal
 Re- stric- ted3)
d
 Δds
 D
 ΔDs
 H1
 ΔH1s
 ΔH1s
 H2
 ΔH2s
mm
 mm
 mm
 mm
 mm
 mm
 mm
 mm
 mm
 μm
 μm
50
 –0,008 126
 –0,011 20
 ±0,125 ±0,025 10
 ±0,02 2
 1
80
 –0,009 146
 –0,011 23,35
 ±0,15 ±0,025 11,65
 ±0,02 3
 1,5
100
 –0,01 185
 –0,015 25
 ±0,175 ±0,025 13
 ±0,02 3
 1,5
120
 –0,01 210
 –0,015 26
 ±0,175 ±0,025 14
 ±0,02 3
 1,5
150
 –0,013 240
 –0,015 26
 ±0,175 ±0,03 14
 ±0,02 3
 1,5
180
 –0,013 280
 –0,018 29
 ±0,175 ±0,03 14
 ±0,025 4
 2
200
 –0,015 300
 –0,018 30
 ±0,175 ±0,03 15
 ±0,025 4
 2
260
 –0,018 385
 –0,02 36,5
 ±0,2 ±0,04 18,5
 ±0,025 6
 3
325
 –0,023 450
 –0,023 40
 ±0,2 ±0,05 20
 ±0,025 6
 3
395
 –0,023 525
 –0,028 42,5
 ±0,2 ±0,05 22,5
 ±0,025 6
 3
460
 –0,023 600
 –0,028 46
 ±0,225 ±0,06 24
 ±0,03 6
 3
580
 –0,025 750
 –0,035 60
 ±0,25 ±0,075 30
 ±0,03 10
 54)
650
 –0,038 870
 –0,05 78
 ±0,25 ±0,1 44
 ±0,03 10
 54)
850
 –0,05 1 095
 –0,063 80,5
 ±0,3 ±0,12 43,5
 ±0,03 12
 64)
950
 –0,05 1 200
 –0,063 86
 ±0,3 ±0,12 46
 ±0,03 12
 64)
1 030
 –0,063 1 300
 –0,08 92,5
 ±0,3 ±0,15 52,5
 ±0,03 12
 64)

 
 
______
 1    The diameter tolerances stated are mean values (DIN 620).
 
 
 2    For rotating inner and outer ring, measured on fitted bearing, with ideal adjacent construction.
 
 
 3    Special design, YRT only.
 
 
 4    By agreement only for rotating outer ring.
 
   

Dimensional tolerances,
mounting dimensions,
axial and radial runout
for RTC

 

Dimensional tolerances
 Mounting dimension
 Axial and radial runout1)
Axial runout1)
Bore
 Outside diameter
 Bearing height
 Normal
 Restric-
ted
d
 Δds
 D
 ΔDs
 H
 ΔHs
 H1
 ΔH1s
mm
 mm
 mm
 mm
 mm
 mm
 mm
 mm
 μm
 μm
80
 –0,009 146
 –0,011 35
 +0,025–0,15 23,35
 ±0,025 3
 1,5
100
 –0,01 185
 –0,015 38
 +0,025–0,15 25
 ±0,025 3
 1,5
120
 –0,01 210
 –0,015 40
 +0,025–0,15 26
 ±0,025 3
 1,5
150
 –0,013 240
 –0,015 40
 +0,03–0,175 26
 ±0,03 3
 1,5
180
 –0,013 280
 –0,018 43
 +0,03–0,175 29
 ±0,03 4
 2
200
 –0,015 300
 –0,018 45
 +0,03–0,2 30
 ±0,03 4
 2
260
 –0,018 385
 –0,020 55
 +0,04–0,25 36,5
 ±0,04 5
 3
325
 –0,023 450
 –0,023 60
 +0,05–0,3 40
 ±0,05 5
 3
395
 –0,023 525
 –0,028 65
 +0,05–0,3 42,5
 ±0,05 5
 3
460
 –0,027 600
 –0,028 70
 +0,06–0,35 46
 ±0,06 6
 3

 
 
______
 1    For rotating inner and outer ring, measured on fitted bearing, with ideal adjacent construction.
 
   

Dimensional tolerances,
mounting dimensions,
axial and radial runout
for YRTSpeed

 

Dimensional tolerances
 Mounting dimension
 Axial and radial runout1)
Bore
 Outside diameter
 
 
 
d
 Δds
 D
 ΔDs
 H1
 ΔH1s
 H2
mm
 mm
 mm
 mm
 mm
 mm
 mm
 μm
200
 –0,015 300
 –0,018 30
 +0,04–0,06 15
 4
260
 –0,018 385
 –0,02 36,5
 +0,05–0,07 18,5
 6
325
 –0,023 450
 –0,023 40
 +0,06–0,07 20
 6
395
 –0,023 525
 –0,028 42,5
 +0,06–0,07 22,5
 6
460
 –0,023 600
 –0,028 46
 +0,07–0,08 24
 6

 
 
______
 1    For rotating inner and outer ring, measured on fitted bearing, with ideal adjacent construction.
 
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