KA060AR0 Inch Thin Section Angular Contact Ball Bearing – 152.4 × 165.1 × 6.35 mm
KA060AR0 thin section bearing reference: LYDL-A060 Type A, open angular contact.
Nominal d × D × B: 6 × 6.5 × 0.25 in (152.4 × 165.1 × 6.35 mm).
Six-inch opening: retain the thin section without distorting the rings.
Single-bearing thrust support is directional; pairing and preload are separate specifications.
Kaydon reference loads are shown with attribution; LYDL supply capacities require confirmation.
Request the proposed drawing and quotation with quantity and application details.
Six-inch opening: retain the thin section without distorting the rings
The KA060AR0 thin section bearing reference combines a 152.4 mm bore with a 165.1 mm outside diameter and 6.35 mm width. It is the largest KA bore in this release. The six-inch diameter and quarter-inch section make seat geometry and even retention important discussion points for an open angular-contact assembly. Catalog capacity is only one input to that mounting review. Dimensions · Load ratings · Brand names · Model FAQ
LYDL open Type A family reference photo used for the KA060AR0 size presentation; this is not a verified photograph of an individual KA060AR0 unit.
Keep the housing from defining an unwanted ring shape
A thin ring follows its support more readily than a substantially thicker section. Review housing roundness, shoulder flatness and clamp distribution across the full circumference. A high local fastener load or interrupted seat can alter running behavior. The nominal diameter table is not a tolerance schedule: request the agreed fit and mounting requirements for the proposed LYDL configuration.
At a six-inch bore, temperature differences between shaft and housing deserve attention. State their materials and operating temperatures, including warm-up conditions. Differential expansion can change the assembled fit and axial condition. Do not choose an arbitrary interference to compensate for uncertain thermal behavior; assess the whole support arrangement and its location relative to the heat source.
Kaydon KA060AR0 reference load ratings
Kaydon reference rating
lbf
kN (converted)
Dynamic radial — Kaydon method
752
3.345
Dynamic radial — ISO comparison
1,561
6.944
Dynamic thrust
1,900
8.452
Static radial
2,190
9.742
Static thrust
6,320
28.113
These figures are Kaydon catalog reference capacities, not verified LYDL supply ratings. Dynamic ratings use a one-million-revolution L10 basis; the radial ISO comparison follows ISO 281:1990. Static values assume rigid supporting members. Do not add these ratings, treat them as simultaneous permissible loads or double them to rate a pair. Conversion: 1 lbf = 0.0044482216152605 kN; displayed values are rounded.
KAYDON, INA, NSK and SKF naming comparison
Brand
Reference or naming context
What is established
LYDL
LYDL-A060 Type A
Inquiry identity for KA060AR0; supply specification requires confirmation.
KAYDON
KA060AR0
Official open Type A model with dimensions and loads listed above.
INA / Schaeffler
CSEA 060
Same nominal angular-contact envelope in catalog 575; configuration must be checked.
NSK
NBA15206
NBA angular-contact catalog entry for the nominal envelope; tolerances and internals may differ.
SKF
Kaydon KA060AR0 within SKF range
SKF/Kaydon naming context, not a separately verified interchangeable SKF design.
Kaydon uses A for angular contact in KA060AR0; R identifies a circular-pocket ring cage code, and the final 0 is a separate reference precision code. It is not an LYDL ISO P0 claim. INA uses the CSE angular-contact family, while NSK uses NBA. NSK nominal widths may be rounded in its metric table. SKF/Kaydon documentation also shows the KDN. brand-prefix format; the complete order designation and suffixes require confirmation. Equal nominal dimensions do not prove identical contact geometry, preload, cage, tolerances or life. Brand references do not imply authorization or current availability.
Large-aperture rotary support with a shallow axial envelope
A large-aperture optical positioning assembly is a selection example where an unobstructed center and limited axial depth may be important. Describe payload offset, acceleration, dwell and allowable settling behavior. Angular-contact bearings can form part of such a support, but pointing accuracy and moment stiffness belong to the assembled system. They cannot be derived from the six-inch bore or from a single catalog thrust rating.General application examples; suitability and performance require review of the actual machine.
Compare related Type A mounting envelopes
Reference
Bore d (in)
Outside D (in)
Width B (in)
KA060AR0
6
6.5
0.25
KB060AR0
6
6.625
0.3125
KC060AR0
6
6.75
0.375
KD060AR0
6
7
0.5
KB060AR0, KC060AR0 and KD060AR0 all retain the 152.4 mm bore but increase the section. Their respective outer diameters are 168.275, 171.45 and 177.8 mm. A section change therefore requires both a housing and an axial-stack review, even though the nominal shaft interface remains six inches.
Related model details: KB060AR0, KC060AR0, KD060AR0.
Browse the inch Type A size overview or the open angular-contact category. For the same nominal envelope with radial contact, review KA060CP0; changing contact type requires an arrangement review.
Control circumferential clamping and verify after assembly
Use the drawing’s tightening sequence and a specified clamping method. Compare rotational behavior before and after the retaining components are secured to identify assembly-induced changes. If an opposed pair is planned, account for the distance between supports and the thermal path through the spacers. Keep the pair configuration distinct from the single KA060AR0 reference used to describe this nominal envelope.
Supply identification, inspection and protection
Support the ring during unpacking and avoid hanging it from the cage. Ask for packaging that protects ring faces and preserves cleanliness until installation. For a thermally sensitive assembly, the acceptance plan should state the measurement temperature and whether results apply to the bearing alone or to a completed support module.Illustrative inspection and packing scenes, not an order-specific test report.
KA060AR0 selection questions
Why can KA060AR0 feel different after the cover is tightened?
Uneven retention or seat distortion can change the thin ring’s mounted geometry and running behavior. Inspect the assembly against the drawing rather than judging the bearing only in its unmounted condition.
Does a 152.4 mm bore imply a six-inch clear optical aperture?
It identifies the bearing’s inner diameter. The shaft wall, retention features and any optical mount determine the actual clear aperture.
Can I substitute KC060AR0 without changing the housing?
No nominal size identity exists: KC060AR0 has a 171.45 mm outside diameter and 9.525 mm width, compared with 165.1 mm and 6.35 mm here.
Is the SKF comparison another independent load rating?
The comparison identifies Kaydon’s place in SKF’s thin-section offering. It does not create an additional independent rating or establish a separate SKF bearing as a drop-in alternative.
What thermal information helps with this six-inch selection?
Provide shaft and housing materials, expected temperatures and the position of heat sources. Include support spacing and preload requirements if the assembly uses an opposed pair.
Request your KA060AR0 drawing and quotation
Identify the inquiry as LYDL-A060 Type A, KA060AR0 reference. Send quantity, destination and the available assembly drawing. Specify single-bearing or matched-set requirements, load directions and any acceptance documentation needed. LYDL supply loads, contact geometry, accuracy, cage and delivery conditions must be confirmed for the quoted configuration.
