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SKF7018ACDP4ADGBSuper Precision Angular Contact Ball Bearing Matched Set – 90 mm ID, 140 mm OD, 24 mm Width, 25° Contact Angle, P4A, Light Preload

Condition: New – Open box
Condition Note: Made In Italy, New Old Stock

Availability:

1 in stock

Super precision angular contact ball bearing matched set, 90 x 140 x 24 mm each, 25° contact angle, P4A, Light preload (920 N). Two universally matched bearings.

List Price

$246.91

1 in stock

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Specifications

Key Specifications

MFR / BrandSKF
MPN7018ACDP4ADGB
Model7018-ACD-P4A-DGB
Bearing TypeAngular Contact Ball Bearing, Open
ID90 mm
OD140 mm
Width24 mm

Technical Specifications

MaterialBearing Steel
Series7000
LubricantOil/Grease
PreloadLight (920 N)
Total Width48 mm (pair)
Mpn Variants7018-ACD/P4ADGB, 7018 ACD/P4ADGB, 7018ACDP4ADGB, 7018-ACD-P4A-DGB, 7018A, 7018A5
Precision ClassABEC 7 / P4A
Additional AttributesFatigue load limit 5,700 N (set); axial stiffness 321 N/µm; 20 balls of 15.875 mm per bearing; oil nozzle position 108.7 mm
Dynamic Load Rating121,000 N (matched set)
Static Load Rating143,000 N (matched set)
Rolling ElementsBall
Number Of Rows1
Bore TypeStraight
Snap Ring IncludedNo
Limiting Speed8,500 rpm grease; 13,000 rpm oil-air (single bearing basis)
Harmonization Code8482.10.50
Contact Angle25°
Mounting ArrangementUniversally matched set: back-to-back, face-to-face or tandem
Bearing MaterialBearing steel

Cross-References

Cross Reference 1FAG B7018-E-T-P4S-DUL - universal, light preload
Cross Reference 2NSK 7018A5TYNDULP4 - universal, light preload
Cross Reference 3Timken 3MM9118WI DUL - universal, light preload
Seller Part Number: AK5B2#FMXRVW

Product Description

What this part is

SKF 7018 ACD/P4ADGB is a matched set of two super-precision, high-capacity D design single row angular contact ball bearings from the SKF 70 series. The set is universally matched and can be arranged back-to-back, face-to-face or in tandem.

Decoding the designation

7018 — 70 series angular contact ball bearing, 90 mm bore, 140 mm outside diameter.

ACD — high-capacity D design with a 25° contact angle.

P4A — SKF precision class: ISO P4 dimensional accuracy with tighter running accuracy.

DGB — matched set of two bearings for universal matching, light preload.

What these specs mean in practice

Bore Diameter: 90 mm. Outside Diameter: 140 mm. Overall Width: 24 mm per bearing. Total Width: 48 mm (pair). Contact Angle: 25°. Precision Class: ABEC 7 / P4A. Preload: Light, 920 N (back-to-back or face-to-face). Axial stiffness: 321 N/µm (set). Dynamic Load Rating: 121,000 N (matched set). Static Load Rating: 143,000 N (matched set). Fatigue load limit: 5,700 N (set). Attainable speed, single bearing basis: 8,500 rpm grease; 13,000 rpm oil-air, before the SKF matched-set speed reduction factor. Ball diameter: 15.875 mm. Number of balls: 20 per bearing. Reference grease quantity: 15 cm³ per bearing. Bearing Material: Bearing steel. Closure Type: Open.

Mounting data

Inner ring shoulder diameter d1: 105.4 mm. Outer ring shoulder diameter D1: 124.6 mm. Chamfer r1,2 min: 1.5 mm. Chamfer r3,4 min: 1 mm. Shaft abutment da/db min: 97 mm. Housing abutment Da max: 133 mm; Db max: 136 mm. Fillet radius ra max: 1.5 mm; rb max: 1 mm. Oil nozzle position dn: 108.7 mm.

Quantity and configuration

Unit Quantity: 2 Pcs. One universally matched set of two bearings. Condition: new old stock, open box.

Cross-reference guidance

25° duplex sets, universal matching, light preload: FAG B7018-E-T-P4S-DUL, NSK 7018A5TYNDULP4, Timken/Fafnir 3MM9118WI DUL. 15° executions such as 2MM9118WI and 7018 CD have a different contact angle.

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