NACHI6211ZZEC3 Ball Bearing Metal Shielded 55x100x21 mm 6211-2ZE-C3 6211ZZ

Product Description

What this isA Nachi 6211ZZE single-row deep groove ball bearing, 55 mm bore, with steel shields on both sides and C3 internal clearance. Made in Japan. One (1) bearing, unused, still in its original factory wrapper.

The C3 matters: it is a wider-than-standard internal clearance, specified where the inner ring runs hot, where there is an interference fit on the shaft, or where the bearing has to tolerate misalignment. It is not interchangeable with a standard-clearance 6211ZZ in those positions. The clearance is marked on both the box and the bearing’s outer ring.

How the part number breaks down62 — the 62 dimension series, single row, deep groove11 — the bore code. Multiply by 5 for the bore, so 11 × 5 = 55 mm.ZZ — steel shields on both sides, non-contact. A single Z would be one shield; 2RS would be contact rubber seals.E — Nachi’s enhanced specification: their own shield design to resist contamination and grease leakage, with a grease rated for a wider temperature range.C3 — radial internal clearance greater than standard (CN/C0).Also sold as 6211-2ZE-C3, 6211ZZE C3, 6211 ZZ E C3 and 6211-2Z-C3.

Published figuresBore: 55 mmOutside diameter: 100 mmWidth: 21 mmBasic dynamic load rating C: 43,500 NBasic static load rating C0: 29,300 NLimiting speed, grease: 6,400 rpmMaximum operating temperature: 120 °C (248 °F)Closure: two steel shields, non-contactRadial internal clearance: C3Cage: pressed steel (JIS SPCC)Rings and balls: bearing steel (JIS SUJ2)Precision: ISO P0 (ABEC-1)Mass: 1.34 lb (0.61 kg)