LYDL bearing assortment with thin section, geared and flanged bearing designs

KA070CP0 Thin Section Bearing Reference – Open Type C

KA070CP0 thin section bearing reference: LYDL-A070 Type C, open radial-contact thin section bearing.
Nominal d × D × B: 7 × 7.5 × 0.25 in (177.8 × 190.5 × 6.35 mm).
KA family with 0.25-inch radial section and axial width; housing and retainers require separate space.
Seven-inch aperture for oscillating radial-support studies.
Kaydon reference dynamic and static radial loads are separately identified in the detail table; LYDL ratings require supply confirmation.
Request a quote with quantity, application and destination; provide mounting requirements for drawing review.

Seven-inch aperture for oscillating radial-support studies

The KA070CP0 thin section bearing reference has a 177.8 mm bore, 190.5 mm outside diameter and 6.35 mm width in the open radial-contact family. LYDL-A070 Type C is the associated inquiry designation. For mechanisms that oscillate instead of continuously rotating, the motion description is as important as the nominal seven-inch aperture.

Dimensions · Reference loads · Model comparison · FAQ

KA070CP0 thin section bearing dimensions

Parameter	Symbol	in	mm
Bore diameter	d	7	177.8
Outside diameter	D	7.5	190.5
Axial width	B	0.25	6.35
Radial section	(D − d) / 2	0.25	6.35

Oscillation is not fully described by average rpm

A mechanism that reverses through a limited angle may travel far less than a complete revolution on each stroke. State travel angle, reversal frequency, dwell and load during the motion. An average-speed figure can hide the local motion pattern experienced by the contacts. The KA section remains quarter-inch at this seven-inch bore. Enlarging the aperture from KA060CP0 preserves nominal width but changes both mounting diameters. Before selecting it for an oscillating assembly, review how the larger ring is supported and how lubricant reaches the working contact region.

Kaydon KA070CP0 reference load ratings

Reference rating	lbf	kN (converted)
Dynamic radial — Kaydon method	787	3.501
Dynamic radial — ISO comparison	1,571	6.988
Static radial	2,200	9.786

Source: Kaydon official model table, referenced below. These are Kaydon reference capacities, not verified LYDL supply ratings. Dynamic values use a one-million-revolution L10 basis; the ISO column is a comparison rating calculated per ISO 281:1990. Static values assume rigid shaft and housing support. Ratings are not additive or simultaneous permissible loads. Conversion: 1 lbf = 0.0044482216152605 kN; displayed kN values are rounded.

Brand designations for this nominal envelope

Brand	Designation	Scope
LYDL	LYDL-A070 Type C	Supply inquiry identity
Kaydon	KA070CP0	Open radial-contact reference
Silverthin	SA070CP0	Same nominal size and contact family
INA / Schaeffler	CSCA070	CSC catalog radial-contact reference

KA070CP0, SA070CP0 and CSCA070 identify brand-specific references for the 7 × 7.5 × 0.25 in radial-contact envelope. INA / Schaeffler uses CSC for the Conrad radial family; its following letter identifies the section. Compare the complete specification before interchange. Brand names remain with their owners; this LYDL offer does not imply brand authorization. Catalog references do not guarantee current availability.

Discuss your size and configuration

Send KA070CP0, quantity and the application to begin a quotation. Where an existing assembly must be preserved, identify its fixed interfaces and include the available drawing. A complete analysis is not required to start the commercial inquiry.

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Scanning and positioning mechanisms with repeated reversal

A scanning mechanism may hold at an endpoint, reverse, then repeat a narrow sweep. In such a case, provide the endpoint loads and any cable forces as well as the motion profile. Cable routing through a large center opening can still apply changing forces to the moving structure. This scenario illustrates selection questions rather than a qualified scanner installation. If the mechanism requires low reversal error, define the complete system target and how it is measured. Bearing clearance, structural deflection and drive backlash are different contributors that should not be combined into a vague precision claim.

Illustrations of thin-section-bearing application contexts — General application illustration; suitability of this model depends on the actual machine design.

Related sizes and installation envelopes

Reference	Bore d (in)	Outside D (in)	Width B (in)
KA070CP0	7	7.5	0.25
KA060CP0	6	6.5	0.25
KA080CP0	8	8.5	0.25
KA100CP0	10	10.5	0.25

These KA alternatives change the central aperture while retaining the quarter-inch section. Their installation envelopes provide a size comparison; they do not rank reversal accuracy or establish which bearing suits a particular oscillation profile. Compare the installation dimensions of KA060CP0, KA080CP0, KA100CP0. Explore the open Type C size table and radial-contact bearing category. For another contact arrangement, see the KA070XP0 four-point contact reference.

Relate lubricant access to the actual motion range

Explain whether the mechanism ever performs full rotations during service or maintenance. That information can matter when discussing lubrication distribution and the inspection routine. Do not assume a continuous-rotation life statement describes a short-stroke oscillating duty without engineering review. Document the support arrangement and check motion throughout the intended travel. A cable, cover or external seal can create position-dependent resistance. Distinguish those effects from the bearing’s own behavior before changing its internal specification.

Inspection, handling and packing

Protect the seven-inch ring against bending during handling. Use restraint over an appropriate support area, and retain identification so the bearing can be linked to the intended oscillating assembly and its configuration notes at receiving.

General bearing inspection and protective packaging illustration — Illustrative packing and inspection scenes; order-specific protection and records are agreed separately.

Questions about this model

Is average rpm enough for a seven-inch oscillating assembly?

No. Provide sweep angle, reversals per minute, dwell and the load at different positions. These describe the contact motion more accurately than an equivalent average rotational speed.

Can catalog L10 revolutions be used directly as scan cycles?

A scan cycle and a complete revolution are not automatically equivalent. The actual oscillation and load history need engineering treatment; do not relabel a rotational rating as a guaranteed number of scans.

Does a large center opening remove cable-force effects?

No. Cables passing through the aperture can still bend or twist and apply forces to the moving mechanism. Describe their routing and position-dependent resistance in the assembly review.

Will selecting zero clearance eliminate reversal error?

Reversal error also includes drive backlash, support deflection and other system effects. Specify the required operating behavior and review the bearing setting with the full mechanism instead of assuming one internal-clearance choice solves every contributor.

What should be checked across the travel range?

Inspect clearance to covers, service bundles and seals, and assess running behavior at different positions. A local interference or changing cable force can produce resistance that is not caused by the bearing itself.

Request a quote for KA070CP0

Include “LYDL-A070 Type C, KA070CP0 reference,” quantity and delivery destination. Add the required load case, speed and installation drawing when available. Ask for a drawing review if the shaft, housing or retention geometry must match an existing assembly.