KB060AR0 Inch Thin Section Angular Contact Ball Bearing – 152.4 × 168.275 × 7.9375 mm
KB060AR0 thin section bearing reference: LYDL-B060 Type A, open angular contact.
Nominal d × D × B: 6 × 6.625 × 0.3125 in (152.4 × 168.275 × 7.9375 mm).
Six-inch KB angular contact: account for thermal growth between supports.
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 KB angular contact: account for thermal growth between supports
The KB060AR0 thin section bearing reference uses a six-inch bore with a 5/16-inch section, giving nominal dimensions of 152.4 × 168.275 × 7.9375 mm. In a spaced support arrangement, the central selection issue can be thermal growth rather than the bearing envelope alone. This open Type A page separates single-bearing capacities from the behavior of an assembled pair, shaft and housing. Dimensions · Load ratings · Brand names · Model FAQ
LYDL open Type A family reference photo used for the KB060AR0 size presentation; this is not a verified photograph of an individual KB060AR0 unit.
Describe temperatures at both bearing locations
A shaft heated by a motor may expand differently from its surrounding housing. In an opposed angular-contact arrangement, that relative growth can alter the axial setting. Provide the support spacing, spacer materials and temperature ranges at each bearing location. A room-temperature adjustment is only one operating condition; the warmed-up assembly needs its own review.
Do not infer a universal thermal advantage from choosing back-to-back or face-to-face orientation in isolation. The complete geometry and differential expansion determine the result. State the proposed arrangement explicitly and ask for the associated preload or clearance specification. The KB060AR0 reference used here identifies one nominal bearing, not a pre-engineered thermally compensated support system.
Kaydon KB060AR0 reference load ratings
Kaydon reference rating
lbf
kN (converted)
Dynamic radial — Kaydon method
1,088
4.840
Dynamic radial — ISO comparison
2,230
9.920
Dynamic thrust
2,710
12.055
Static radial
2,990
13.300
Static thrust
8,630
38.388
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-B060 Type A
Inquiry identity for KB060AR0; supply specification requires confirmation.
KAYDON
KB060AR0
Official open Type A model with dimensions and loads listed above.
INA / Schaeffler
CSEB 060
Same nominal angular-contact envelope in catalog 575; configuration must be checked. Historical table marks this size as on request.
NSK
NBA15207
NBA angular-contact catalog entry for the nominal envelope; tolerances and internals may differ.
SKF
Kaydon KB060AR0 within SKF range
SKF/Kaydon naming context, not a separately verified interchangeable SKF design.
Kaydon uses A for angular contact in KB060AR0; 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.
Duty description for a motor-adjacent rotary shaft
A hollow rotary shaft near a drive motor is a useful example for this size. Record the warm-up period, sustained speed, dwell time and cooling path. Include belt or coupling forces acting outside the bearing span. Overhung forces create moments that must be resolved through the support arrangement; they cannot be checked against a single thrust column. Ask for an application review if temperature or load reversals make the axial setting uncertain.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)
KB060AR0
6
6.625
0.3125
KA060AR0
6
6.5
0.25
KC060AR0
6
6.75
0.375
KD060AR0
6
7
0.5
KA060AR0 needs less axial and radial space; KC060AR0 uses 9.525 mm width and a 171.45 mm outside diameter. KD060AR0 moves to a half-inch section. All retain the six-inch bore, so the comparison can focus on section envelope while the thermal design is reviewed separately.
Related model details: KA060AR0, KC060AR0, KD060AR0.
Browse the inch Type A size overview or the open angular-contact category. For the same nominal envelope with radial contact, review KB060CP0; changing contact type requires an arrangement review.
Record the cold setting and the warm-running check
The assembly procedure should name the measurement load, temperature and adjustment sequence. Where a matched set is supplied, preserve the manufacturer’s orientation marks and associated documentation. After installation, monitor the characteristics agreed for the system, such as rotational torque or temperature rise, without inventing universal acceptance limits. A bearing that feels acceptable by hand is not proof of correct behavior at operating temperature.
Supply identification, inspection and protection
The cited INA CSEB 060 entry is marked as an on-request catalog item; this historical note does not establish current availability from INA or LYDL. Ask for a quotation covering quantity and configuration. If a matched arrangement is specified, ensure its components remain identifiable through packing, receiving and assembly.Illustrative inspection and packing scenes, not an order-specific test report.
KB060AR0 selection questions
Does KB060AR0 have a built-in thermal compensation feature?
No such feature is established by the reference designation. Thermal behavior depends on shaft and housing materials, support spacing, arrangement and the specified axial setting.
What does the INA CSEB 060 catalog footnote mean?
The cited historical table marks this item as available on request. It is catalog context rather than a statement of present stock, delivery time or a confirmed LYDL supply configuration.
Can I calculate pair preload from the single-bearing thrust rating?
The capacity value is not a preload recommendation. Pair preload requires a defined arrangement and analysis of stiffness, load, temperature and allowable friction.
Which NSK row should a six-inch KB inquiry cite?
NBA15207 is the official NSK angular-contact reference listed at 152.4 × 168.275 × 7.938 mm. Confirm full configuration and drawing details before considering interchange.
What should be measured during a warm-up trial?
Agree the system-specific criteria in advance, including temperature, rotational behavior and axial condition where relevant. This page does not prescribe generic torque or temperature limits for an unknown assembly.
Request your KB060AR0 drawing and quotation
Identify the inquiry as LYDL-B060 Type A, KB060AR0 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.
