The dynamic load rating of 20.3 kN characterises this bearing. The static load rating is 11.2 kN. The limiting speed is 12000 rpm. This variant features greatly increased radial clearance (C4). Two tight seats together consume more clearance than the normal class holds in reserve; strongly increased clearance (C4) compensates for both shares in a closed, grease-filled version.
In this combination the clearance class and the design belong together more closely than it first appears. Strongly increased clearance (C4) is selected when not only the inner ring is expanded but the outer ring is also compressed in a tight housing bore, or when a high temperature gradient is added; both shares reach the rolling chamber at the same time and leave too little of the normal clearance.
At the same time the outer ring is the component in whose groove the shields are fixed. An interference fit large enough to raise a clearance class deforms that ring measurably, and the deformation also reaches the shield seat: the gap to the inner ring can change unevenly in the process, in an unfavourable case as far as contact. Where the housing fit lies in this range, free running is to be checked after assembly and the fitting force introduced solely through the ring that carries the interference fit.
If the shield is undamaged, its contribution remains unchanged: a non-contacting gap that keeps the grease charge in the bearing and coarse contamination out, without contributing a frictional torque or a heat source, and which does not hold back liquid or fine dust. At low radial load the wide clearance has to be taken into account, because the load zone becomes narrow and the load-free part of the ball set can slide without sufficient minimum load.
The grease charge is enclosed and dimensioned for the service life; relubrication is not foreseen. Through-hardened standard bearing steel sets the frame for hardness and dimensional accuracy. Heavily increased radial clearance C4 — Dimensional/form-fit equivalent — verify suffix-level details for critical applications. Matching suffixes are also listed by FAG (C4), NSK (C4), NTN (C4), NACHI (C4) and Timken (C4).
ManufacturerSKF
Bearing typeDeep-groove ball bearings
Bore d30 mm
Outer Ø D62 mm
Width B16 mm
Dyn. load C20.3 kN
Stat. load C₀11.2 kN
Fatigue limit Pu0.475 kN
Limiting speed12,000 min⁻¹
Reference speed24,000 min⁻¹
Weight0.201 kg
Sealsshields on both sides
Clearanceradial internal clearance much greater than normal
Cagepressed steel cage
Materialstandard bearing steel
Tolerancetolerance class P0/PN (ABEC 1)
Shaft shoulder dₐ35.6–40.4 mm
Housing shoulder Dₐ51.6–56.4 mm
Bore typecylindrical bore
€8.43/ pc€12.69−34 %
incl. VAT, plus shipping · price drops with quantity
Lowest price in the 30 days before the reduction: €12.69
In stock
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QtyUnit priceDisc.
1 – 4€8.43—
5 – 9€8.18−3 %
10 – 24€8.01−5 %
25 – 49€7.76−8 %
50 – 99€7.59−10 %
4 more for −3% volume discount
From 100 pcs: price and lead time on request – subject to review.
Total (1 pc)€8.43
SKF 6206-2Z/C4 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.
