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SKF7018CDP4ADGASuper Precision Angular Contact Ball Bearing — 90 mm ID, 140 mm OD, 24 mm Width, 15° Contact Angle, Extra Light Preload, P4A

Condition: New

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1 in stock

Super-precision angular contact ball bearing, 90 x 140 x 24 mm, 15° contact angle, extra light preload, P4A. SKF D design, universally matchable single bearing.

List Price

$318.15

1 in stock

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Specifications

Key Specifications

MFR / BrandSKF
MPN7018CDP4ADGA
Model7018-CD-P4A-DGA
Bearing TypeAngular Contact Ball Bearing, Open
ID90 mm
OD140 mm
Width24 mm

Technical Specifications

MaterialBearing Steel
Series7000
LubricantOil/Grease
PreloadExtra light, 300 N (paired back-to-back or face-to-face)
Mpn Variants7018 CDGA/P4A, 7018-CDGA/P4A, 7018CDGAP4A, 7018CDP4ADGA, 7018-CD-P4A-DGA
Precision ClassABEC 7 / P4A
Dynamic Load Rating79,300 N
Static Load Rating76,500 N
Rolling ElementsBall
Item Weight1.14 kg (2.51 lb)
Number Of Rows1
Bore TypeStraight
Snap Ring IncludedNo
Limiting Speed9,000 rpm grease; 15,000 rpm oil-air
Harmonization Code8482.10.50
Contact Angle15°
Mounting ArrangementUniversally matchable (back-to-back, face-to-face or tandem)

Cross-References

Cross Reference 1SKF 7018 CD/P4ADGA – matched set, extra light
Cross Reference 2FAG B7018-C-T-P4S-UL – light preload
Cross Reference 3NSK 7018CTYNSULP4 – light preload
Cross Reference 4Fafnir 2MM9118WI SUL – light preload
Seller Part Number: B-FD1#LB8RIQ

Product Description

What this part is

SKF 7018 CDGA/P4A super-precision, high-capacity D design single row angular contact ball bearing, universally matchable for back-to-back, face-to-face or tandem sets. Bore Diameter: 90 mm. Outside Diameter: 140 mm. Width: 24 mm. Contact Angle: 15°. Item Weight: 1.14 kg (2.51 lb).

Decoding the designation

7018 — ISO 70 light series, 90 mm bore.

CD — 15° contact angle, SKF high-capacity D internal design.

GA — universally matchable single bearing, extra light preload when paired back-to-back or face-to-face.

P4A — SKF tolerance class: ISO P4 dimensional accuracy with P2 running accuracy.

What these specs mean in practice

Dynamic Load Rating: 79,300 N. Static Load Rating: 76,500 N. Attainable Speed: 9,000 rpm grease; 15,000 rpm oil-air (single bearing, before the matched-set reduction factor). Preload: Extra light, 300 N when paired back-to-back or face-to-face. Axial Stiffness: 103 N/µm (pair, back-to-back). Precision Class: ABEC 7 / P4A. Ball Diameter: 15.875 mm. Number of Balls: 20.

Mounting data

Shaft Abutment Diameter (da min): 97 mm. Housing Abutment Diameter (Da max): 133 mm. Fillet Radius (ra max): 1.5 mm. Chamfer (r1,2 min): 1.5 mm. Oil Nozzle Position (dn): 108.7 mm. Reference Grease Quantity: 15 cm³.

Quantity and configuration

Unit Quantity: 1 Pc. Mounting Arrangement: universally matchable, back-to-back, face-to-face or tandem.

Interchange guidance

SKF 7018 CD/P4ADGA is the matched set of this bearing at extra light preload. FAG B7018-C-T-P4S-UL, NSK 7018CTYNSULP4 and Fafnir 2MM9118WI SUL share the 90 x 140 x 24 mm envelope and 15° contact angle, but are light preload rather than extra light.

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