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NSK7018A5TYDULPA7Angular Contact Ball Bearing – Straight Bore, 90 mm ID, 140 mm OD, 24 mm Width, Open, 25° Contact Angle, Light Preload Duplex Set.

Condition: New

Availability:

1 in stock

Super-precision angular contact ball bearing, 90 x 140 x 24 mm, 25° contact angle, light preload duplex set, ball-guided cage, open. Cr 85.5 kN.

List Price

$590.59

1 in stock

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Specifications

Key Specifications

MFR / BrandNSK
MPN7018A5TYDULPA7
GTIN02917608577
Model7018-A5-TY-DUL-PA7
Bearing TypeAngular Contact Ball Bearing, Open
ID90 mm (3.5433 in)
OD140 mm (5.5118 in)
Width24 mm (0.9449 in)

Technical Specifications

MaterialBearing Steel
Series7000
Base Number7018A5
Industry TermsSuper precision spindle bearing, machine tool angular contact bearing, duplex universal set, 25 degree ball bearing
Bore Shaft Size90 mm (3.5433 in)
Mpn Variants7018A5TYDULPA7, 7018-A5-TY-DUL-PA7, 7018 A5 TY DUL PA7, 7018A5TYDUL PA7, 7018A5, 7018E, PA7
Rolling ElementsBall
Number Of Rows1
Bore TypeStraight
Snap Ring IncludedWithout Snap Ring
Harmonization Code8482.10.50
Part Number7018A5TYDULPA7

Cross-References

Cross Reference 1Fafnir 3MM9118WI-DUL
Cross Reference 2SKF 7018 ACD/P4ADGA – extra light vs light preload
Cross Reference 3FAG B7018-E-T-P4S – phenolic cage, sold single
Cross Reference 4Fafnir 2MM9118WI-DUL – 15° vs 25°
Seller Part Number: B-DE3#M8PSPD

Product Description

What this part is

NSK 7018A5TYDULPA7 super-precision angular contact ball bearing, 90 mm bore × 140 mm outside diameter × 24 mm width. Series: 7000, bore code 18. Contact Angle: 25°. Preload: light. Straight bore, open on both faces.

Decoding the designation

Base Number: 7018A5. A5: 25° contact angle. TY: ball-guided cage. DUL: duplex universally ground set at light preload. The number is also written 7018-A5-TY-DUL-PA7, 7018 A5 TY DUL PA7 and 7018A5TYDUL PA7. Fafnir 3MM9118WI covers the same bearing in the Fafnir scheme.

What these specs mean in practice

A 25° contact angle carries more thrust and less speed than a 15° bearing on the same envelope. Basic Dynamic Load Rating: 85.5 kN. Basic Static Load Rating: 65.5 kN. Limiting Speed: 8,500 rpm on grease, 12,000 rpm on oil or oil-air. Mass: 1.17 kg per bearing.

Quantity and configuration

Ground as a universally matchable duplex set at light preload, which mounts back-to-back, face-to-face or in tandem from the same pair of rings. Total width of a pair: 48 mm. Preloaded sets are supplied without a running clearance.

Fitting notes

The set is fitted as a unit with the marked faces together, inner rings clamped on the shaft and outer rings clamped in the housing so the ground offset holds the preload.

Cross-references

Fafnir 3MM9118WI-DUL is the same 25° light-preload duplex set in the Fafnir 9100WI scheme. SKF 7018 ACD/P4ADGA matches the 25° angle at extra light preload. FAG B7018-E-T-P4S is the same size and angle with a phenolic cage, sold as a single. Fafnir 2MM9118WI is the same size at 15°.

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