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JTEKT/Koyo DB matched pair · live catalog page 4

7212CDB

Manufacturer-published matched-pair dimensions, load ratings, fatigue limit, and limiting speed.

Bore d60 mmOutside diameter D110 mmPair width44 mmDynamic rating136 kNKoyo calculation tool ↗

Live manufacturer specification row

Published specifications

JTEKT/Koyo
Designation
7212CDB
Arrangement
Back-to-back matched pair (DB)
Bore d
60 mm
Outside diameter D
110 mm
Pair width B
44 mm
Minimum corner radius r
1.5 mm
Minimum corner radius r1
1 mm
Dynamic load rating Cr
136 kN
Static load rating C0r
106 kN
Fatigue load limit Cu
6.9 kN
Factor f0
14.5
Grease limiting speed
6,000 rpm
Published row text
7212CDB | 60 | 110 | 44 | 1.5 | 1 | 136 | 106 | 6.9 | 14.5 | 6000
Open Koyo CAD ↗

Verification boundary

What still needs to match

Do not infer interchange
Arrangement and contact angleConfirm DB arrangement, contact angle, precision, preload, and complete suffix.
Fits and geometryVerify shaft/housing seats, shoulders, fillets, spacers, and axial clamping.
DutyCheck combined radial/axial load, stiffness, speed, lubrication, temperature, and required life.
Current dataUse the linked JTEKT/Koyo calculation and CAD tools before ordering.

Related Koyo DB pairs

Same bore dimension

8