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SKF 7211 ACD/P4ATBTB Angular Contact Bearing Set 55x100x21mm 25 Deg 3 Pcs
SKF 7211 ACD/P4ATBTB is a super-precision angular contact ball bearing supplied as a matched triplex set of three bearings: two in tandem with the third mounted back-to-back against them. Each bearing is 55 mm bore, 100 mm outside diameter and 21 mm wide, 63 mm for the triplex set. Open on both faces. Unit Quantity: 3 Pcs. Condition: New.
Decoding the designation:7211 — angular contact ball bearing, ISO 72 medium section, 55 x 100 x 21 mm.
ACD — 25° contact angle.
P4A — SKF super-precision class.
TBT — triplex set: T is three bearings, BT is back-to-back against a tandem set.
B — light preload.
Specifications:Bore Diameter: 55 mm. Outside Diameter: 100 mm. Width: 21 mm per bearing. Total Width: 63 mm for the triplex set. Contact Angle: 25°. Number Of Rows: 1 per bearing. Rolling Elements: Steel balls. Closure Type: Open. Precision Class: P4A. Cage Material: Phenolic. Preload: Light. Series: 72 (ISO 72, medium section). Harmonization Code: 8482.10.50.28. Country of Origin: Italy.
Dimensions and mounting:Bore: 55 mm. Outside diameter: 100 mm. Width: 21 mm per bearing, 63 mm for the set. Bore Type: Straight. Mounting Arrangement: triplex, back-to-back against a tandem pair.
Compatibility and replacement:Related SKF and FAG numbers: FAG B7211-E-T-P4S is the matching 25° bearing sold as a single, not as a matched set. SKF 7211 CD/P4ATBTB is the same set at a 15° contact angle. SKF 7211 ACD/P4ATBTA is the same set at extra light preload.
Frequently asked questions:What size is the SKF 7211 ACD/P4ATBTB?Bore 55 mm, outside diameter 100 mm, width 21 mm per bearing, 63 mm for the three-bearing set.
What does TBT mean in 7211 ACD/P4ATBTB?TBT is a triplex set of three bearings: two in tandem and one mounted back-to-back against them.
What contact angle and preload does it have?ACD gives a 25° contact angle and the B in TBTB gives light preload.
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