The dynamic load rating of 5.4 kN characterises this bearing. The static load rating is 2.36 kN. The limiting speed is 17000 rpm. This variant features reduced radial clearance (C2). Point contact between ball and raceway keeps frictional torque low, which is why this type runs faster and cooler than any other rolling bearing. The deep, closely conforming raceway grooves in the inner and outer ring capture the balls positively, so the bearing takes radial load and moderate axial load in both directions without a second bearing position to oppose it.
Because the ball touches the raceway at a point, friction and heat stay low — the precondition for high speeds and for grease-for-life designs. The limits follow from that same geometry: the small contact area caps load capacity against a roller bearing of equal size, and the bearing tolerates misalignment within narrow limits only, since angular error transfers straight into the raceway grooves.
Seats in shaft and housing must therefore be aligned and geometrically accurate; where shaft deflection is expected, a self-aligning type belongs in that position. The shields on both sides run without contact: they hold back coarse contamination and keep the lubricant in, adding no frictional torque — but they do not protect against splash water or fine dust.
Rings and rolling elements are made of through-hardened standard bearing steel. The reduced radial clearance raises guiding accuracy and is intended for positions that run closely guided and are thermally lightly loaded. Reduced radial clearance C2 — Dimensional/form-fit equivalent — verify suffix-level details for critical applications. Matching suffixes are also listed by FAG (C2), NSK (C2), NTN (C2) and NACHI (C2).
ManufacturerSKF
Bearing typeDeep-groove ball bearings
Bore d12 mm
Outer Ø D28 mm
Width B8 mm
Dyn. load C5.4 kN
Stat. load C₀2.36 kN
Fatigue limit Pu0.1 kN
Limiting speed17,000 min⁻¹
Reference speed60,000 min⁻¹
Weight0.022 kg
Sealsshields on both sides
Clearanceradial internal clearance smaller than normal
Cagepressed steel cage
Materialstandard bearing steel
Tolerancetolerance class P0/PN (ABEC 1)
Shaft shoulder dₐ14–17 mm
Housing shoulder Dₐ23.2–26 mm
Bore typecylindrical bore
€5.00/ pc€7.66−35 %
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Lowest price in the 30 days before the reduction: €7.66
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QtyUnit priceDisc.
1 – 4€5.00—
5 – 9€4.85−3 %
10 – 24€4.75−5 %
25 – 49€4.60−8 %
50 – 99€4.50−10 %
4 more for −3% volume discount
From 100 pcs: price and lead time on request – subject to review.
Total (1 pc)€5.00
SKF 6001-2Z/C2 Kugellager (12x28x8)
— 12 x 28 x 8 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.
