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NSK7206BTDFDC8P5Super Precision Angular Contact Ball Bearing Set — 30 mm Bore, 62 mm OD, 16 mm Width Each, 40° Contact Angle, Phenolic Outer-Ring Guided Cage, C8 Preload, P5

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Super precision angular contact ball bearing set, 30 x 62 x 16 mm each, 40 degree contact angle. Phenolic outer-ring guided cage, P5, three-bearing DFD set.

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$121.60

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Specifications

Key Specifications

MFR / BrandNSK
MPN7206BTDFDC8P5
Model7206 B T DFD C8 P5
Bearing TypeAngular Contact Ball Bearing, Open
ID30 mm
OD62 mm
Width32 mm

Technical Specifications

MaterialBearing Steel
Series7200
PreloadMedium
Base Number7206
Industry Termssuper precision angular contact ball bearing; three-bearing matched set; triplex bearing set; machine tool spindle bearing; phenolic cage bearing; 40 degree angular contact bearing
Common Misspellings7206BTDFD C8P5; 7206BTDFCD8P5; 72O6BTDFDC8P5; 7206-B-T-DFD-C8-P5; 7206 BTDFDC8P5; 7206BTDFDC8P4
Application Typesmachine tool spindles; high axial load spindles; precision screw drives; indexing heads; precision gearboxes
Overall Width16 mm
Mpn Variants7206BTDFDC8P5; 7206B T DFD C8 P5; 7206B-T-DFD-C8-P5; 7206BTDFD; 7206BT; 7206B
Precision ClassP5
Additional AttributesEffective load centre a: 27.3 mm; shaft abutment da min: 36 mm; housing abutment Da max: 56 mm; abutment fillet ra max: 1 mm; bearing chamfer r min: 1 mm; r1 min: 0.6 mm
Closure TypeOpen
Cage TypeMachined, outer-ring guided
Rolling ElementsBall
Cage MaterialPhenolic
Number Of Rows1
Bore TypeStraight
Snap Ring IncludedWithout Snap Ring
LubricantGrease or oil
Harmonization Code8482.10.50.68
Contact Angle40°
Mounting ArrangementDFD three-bearing matched set
Bearing MaterialBearing steel

Cross-References

Cross Reference 1SKF 7206 BEP (standard precision execution)
Cross Reference 2FAG 7206-B-TVP (standard precision execution)
Cross Reference 3NTN 7206B
Cross Reference 4Koyo 7206B
Cross Reference 5Nachi 7206B
Cross Reference 6NSK 7206BW (standard line, pressed steel cage)
Seller Part Number: B-AE1B5#JXDN32

Product Description

What this part is

NSK 7206B T DFD C8 P5 super precision angular contact ball bearings, supplied as a factory three-bearing matched set. Bore Diameter: 30 mm. Outside Diameter: 62 mm. Overall Width: 16 mm per bearing. Contact Angle: 40°. Precision Class: P5. Cage Material: Phenolic. Cage Type: Machined, outer-ring guided. Closure Type: Open. Rolling Elements: Ball. Bore Type: Straight. Number Of Rows: 1 per bearing. Series: 7200. Base Number: 7206. Preload: C8.

Decoding the designation

7206 — NSK’s number for the ISO 72-series size, 30 x 62 x 16 mm.

B — 40° contact angle.

T — machined phenolic resin cage, guided on the outer ring.

DFD — a three-bearing matched set, face-to-face at the first pair with a third bearing in tandem.

C8 — NSK preload class for the matched set. The set is preload-ground, so it runs without internal clearance.

P5 — NSK super precision accuracy grade.

What these specs mean in practice

A 40° contact angle is the highest of the NSK angular contact range and carries the most axial load for a given size, at the lowest speed ceiling. Lubricant: grease or oil.

Three bearings in a matched set share axial load across more contact paths than a duplex pair of the same size.

Mounting data

Shaft abutment diameter da min: 36 mm. Housing abutment diameter Da max: 56 mm. Abutment fillet radius ra max: 1 mm.

Bearing chamfer r min: 1 mm. Bearing chamfer r1 min: 0.6 mm. Effective load centre a: 27.3 mm.

Quantity and configuration

Unit Quantity: 3 Pcs. A matched three-bearing DFD set.

Interchange guidance

Bearings sharing the 30 x 62 x 16 mm envelope at 40°: SKF 7206 BEP, FAG 7206-B-TVP, NTN 7206B, Koyo 7206B, Nachi 7206B, NSK 7206BW. Those are standard precision executions; this set is ground to P5.

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