The dynamic load rating of 22 kN characterises this bearing. The static load rating is 11.3 kN. The limiting speed is 13400 rpm. This variant features increased radial clearance (C3). When the inner ring becomes warmer than the outer ring — through a hot shaft or through the power lost inside the bearing itself — it expands further and closes the clearance from the inside.
Two losses lie between the clearance as delivered and the clearance in service, and they add up. The interference fit on the shaft expands the inner ring and takes a first share; the sustained temperature difference between the warmer inner ring and the cooler outer ring, coupled to the housing, takes a second. Increased clearance (C3) compensates for exactly these two shares so that a residual clearance within the intended range establishes itself once the arrangement has warmed up — it is a calculated quantity of the bearing position, not a property that would be selected on its own.
The residual clearance acts directly on load distribution: the wider it is, the smaller the circumferential sector in which balls carry and the higher the load on the individual ball; the tighter it is, the sooner the rolling contact is preloaded and generates additional heat, which closes the clearance further. Because this bearing is supplied in the open form, the lubricant carries the frictional heat directly out of the rolling chamber; oil and circulating lubrication are possible, and the temperature difference between the rings therefore develops differently than in a grease-filled, closed version.
Through-hardened standard bearing steel continues to define the temperature and load frame within which the ratings listed in the catalogue apply. At low radial load the wider clearance has to be taken into account: the unloaded part of the ball set is guided only by the cage and, without sufficient minimum load, it can slide instead of rolling.
Whether increased clearance (C3) is the right choice for a specific position therefore follows from the fit, the temperature gradient and the actual load taken together — not from any one of the three on its own. Increased radial clearance C3 — Dimensional/form-fit equivalent — verify suffix-level details for critical applications. Matching suffixes are also listed by SKF (HC5C3, HC5C3WT, C3), NSK (C3), NTN (C3) and NACHI (C3).
ManufacturerFAG
Bearing typeDeep-groove ball bearings
Bore d30 mm
Outer Ø D62 mm
Width B16 mm
Dyn. load C22 kN
Stat. load C₀11.3 kN
Limiting speed13,400 min⁻¹
Reference speed15,100 min⁻¹
Weight0.18 kg
Sealsnone (open bearing)
Clearanceradial internal clearance greater than normal
Cagefabric-reinforced phenolic resin cage
Materialstandard bearing steel
Tolerancetolerance class P6 (ABEC 3)
Shaft shoulder dₐ35.6–40.4 mm
Housing shoulder Dₐ51.6–56.4 mm
Bore typecylindrical bore
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FAG 6206-TB-P6-C3 Kugellager (30x62x16)
— 30 x 62 x 16 mm
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Same dimensions means the same bearing type and matching main dimensions (d × D × B). Sealing, cage, internal clearance and execution (e.g. material, precision, grease fill) are encoded in the suffix and may differ — please check before ordering. Equivalent additionally means the same sealing, internal clearance and tolerance class; the cage and other suffix features (e.g. lubrication groove) may differ.
