The mounting dimensions are 45x85x19 mm and the weight is 0.41 kg; technical details beyond these are shown in the specification table. This variant features extra-large radial clearance (C5). The shields keep the charge in place and the surroundings at a distance; about the heat that prompted the wide clearance class they say nothing. Choosing very strongly increased clearance (C5) says that a large part of the mounted clearance is consumed in service at this position — through tight seats on both rings, but above all through a sustained temperature difference between a warm inner ring and a cooler outer ring.
In combination with shields on both sides this also names the decisive item to be checked: the grease charge is enclosed, dimensioned for the service life and cannot be renewed, so its temperature resistance and its service life at the actual operating temperature become the real design limit. That check is to be made against the data for the charge and not inferred from the clearance class; where the temperature lies above it, a relubricatable or an open version is to be preferred even if the clearance class fits.
The second point concerns start-up: as long as the position is cold the full clearance is present, the load zone covers only a narrow sector of the ball set, and the load-free part is guided by the cage alone — at low radial load it can slide before a load-carrying lubricant film has built up. A stiff, cold grease reinforces this condition, which is why start-up behaviour and minimum load are to be assessed together for this combination.
The shields themselves do not touch the rings, contribute no frictional torque and exert no influence on the clearance; they keep the charge in the rolling chamber and coarse contamination away, but are no barrier against liquid or fine dust. Through-hardened standard bearing steel sets the frame for hardness and dimensional accuracy; whether the position may be operated above the usual temperature range is to be taken from the designation.
ManufacturerSNR
Bearing typeDeep-groove ball bearings
Bore d45 mm
Outer Ø D85 mm
Width B19 mm
Dyn. load C35.1 kN(Catalogue value, not verified)
Stat. load C₀21.6 kN(Catalogue value, not verified)
Reference speed17,000 min⁻¹(Catalogue value, not verified)
Weight0.41 kg
Sealsshields on both sides
Clearanceradial internal clearance very much greater than normal
Cagepressed steel cage
Materialstandard bearing steel
Tolerancetolerance class P0/PN (ABEC 1)
Bore typecylindrical bore
€53.15/ pc
incl. VAT, plus shipping · price drops with quantity
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QtyUnit priceDisc.
1+€53.15—
Total (1 pc)€53.15
SNR 6209 F604 Kugellager (45x85x19)
— 45 x 85 x 19 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.
