ADR bearing designation: AA948H
This designation is only defining the size and shape of the ball bearing. Materials and performances have to be detailed during study and quotation.
Bearing Dimension

Dimensions values
d | 76.2 mm | D | 90.4875 mm | |
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d1 | 81.36 mm | D1 | 86.8 mm | |
B* | 12.7 mm | r | 0.38 mm | |
* For protected bearing (ZZ, FF, -2RS) |
Speed Limit
Lubricant & Bearing Type 1 | |
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Contact us |
Lubricant & Bearing Type 2 | |
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Contact us |
Basic Load Rating of Bearing
Static radial capacity [Co] | 13,700 N |
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Static axial capacity [Ca] | 11,800 N |
Dynamic radial capacity (X105CrMo17) [C] | 6,690 N |
Dynamic radial capacity (100Cr6) [C] | - N |
To improve Capacity and Life time Contact us |
Bearing Version
Serie | Thin section bearing - Inch serie |
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Conception | Super duplex non separable angular ball bearing |
Cage | with phenolic resin massive cage |
For Bearing Protected with Shields or Seals Contact us |
Tolerance, Internal Clearance and Calibration
Tolerance class selected usually | Class “T4” for Rigid ball bearing |
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Class “TA4” for Thin Section ball bearing | |
For Others Tolerances Refer to catalogue Page 32 to 43 |
Assembling Configuration
ADR proposes different bearings pair configuration in standard, for example:
- DO for Duplex ball bearings in Back-to-Back configuration
- DX for Duplex ball bearings in Face-to-Face configuration
To define assembling configuration and preload value: |
Mean Mass
Ball bearing mass | 137.00 g |
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Additional Informations
Recommended lubricant operating temperature:
Open ball bearing: Oil, ISOFLEX PDP38 – Minimum -65°C and +100°C maximum
Protected ball bearing: Grease, NYCOGREASE GN10 – Minimum -73°C and +121°C maximum
In standard Stainless steel ring and cage, maximum temperature to 150°C
Phenolic resin cage, maximum temperature to 120°C
PTFE separators balls, maximum temperature to 150°C
For further information on the designation:
Data are not contractually binding. ADR disclaims any responsibility for printing errors in this data sheet.