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SKF7020CDP4ADGAAngular Contact Ball Bearing — Super-Precision, 100 mm ID, 150 mm OD, 24 mm Width, 15° Contact Angle, Extra Light Preload, P4A, Matched Pair

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SKF 7020 CD/P4ADGA matched pair of super-precision angular contact bearings, 100 x 150 x 24 mm, 15°, extra light preload 310 N, P4A. Set rating C 135,000 N.

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$757.32

1 in stock

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Specifications

Key Specifications

MFR / BrandSKF
MPN7020CDP4ADGA
Model7020CD/P4A DGA
Bearing TypeAngular Contact Ball Bearing, Open
ID100 mm
OD150 mm
Width24 mm

Technical Specifications

MaterialSteel
Series7000
PreloadExtra light, 310 N
Total Width48 mm (set)
Mpn Variants7020 CD/P4ADGA, 7020-CD/P4ADGA, 7020-CD-P4A-DGA, 7020CDP4ADGA
Precision ClassP4A (ABEC 7 / P4 dimensional, P2 running accuracy)
Dynamic Load Rating135,000 N (set)
Static Load Rating170,000 N (set)
Precision RatingP4A (ABEC 7 / P4 dimensional, P2 running accuracy)
Rolling ElementsBall
Item Weight1.24 kg (2.73 lb) per bearing
Number Of Rows1
Bore TypeStraight
Snap Ring IncludedNo
Limiting Speed8,500 rpm grease; 14,000 rpm oil-air (single bearing, before arrangement factor)
Harmonization Code8482.10.50
Contact Angle15°
Mounting ArrangementUniversal pair: back-to-back, face-to-face or tandem
Bearing MaterialBearing steel

Cross-References

Cross Reference 1FAG B7020-C-T-P4S-DUL
Cross Reference 2NSK 7020CTYNDULP4
Cross Reference 3NTN 7020CDBL
Cross Reference 4Fafnir 2MM9120WI DUL
Seller Part Number: B-BS2#CYNS0U

Product Description

What this part is

SKF 7020 CD/P4ADGA is a matched set of two super-precision, high-capacity single row angular contact ball bearings in the 70 series, with a 15° contact angle and extra light preload. The set is universally matchable and mounts back-to-back, face-to-face or in tandem in machine tool spindles.

Decoding the designation

70 — ISO dimension series 10, light section.

20 — bore code, 20 x 5 = 100 mm bore.

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

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

DGA — set of two universally matchable bearings, extra light preload.

What these specs mean in practice

Bore Diameter: 100 mm. Outside Diameter: 150 mm. Width: 24 mm per bearing; 48 mm set total. Contact Angle: 15°. Dynamic Load Rating: 135,000 N (set); 83,200 N per bearing. Static Load Rating: 170,000 N (set); 85,000 N per bearing. Fatigue Load Limit: 6,400 N (set). Preload: Extra light, 310 N (back-to-back or face-to-face). Axial Stiffness: 112 N/µm. Attainable Speed: 8,500 rpm grease; 14,000 rpm oil-air (single bearing, before arrangement factor). Precision Class: P4A (ABEC 7 / P4 dimensional, P2 running accuracy). Ball Diameter: 15.875 mm. Number Of Balls: 22 per bearing. Bearing Material: Bearing steel. Closure Type: Open. Item Weight: 1.24 kg (2.73 lb) per bearing; 2.48 kg (5.47 lb) set total.

Back-to-back mounting reduces attainable speed by factor 0.8; face-to-face by 0.77.

Mounting data

Shaft abutment diameter: 107 mm min. Housing abutment diameter: 143 mm max (large side), 146 mm max (small side). Fillet radius: 1.5 mm max (large side), 1 mm max (small side). Oil nozzle position: 118.7 mm. Reference grease quantity: 16.2 cm³ per bearing.

Quantity and configuration

Unit Quantity: 2 Pcs. One matched set of two bearings.

Interchange guidance

Same envelope, 15° angle, super-precision class: FAG B7020-C-T-P4S-DUL, NSK 7020CTYNDULP4, NTN 7020CDBL, Fafnir 2MM9120WI DUL. MPN variants: 7020 CD/P4ADGA, 7020-CD/P4ADGA, 7020-CD-P4A-DGA, 7020CDP4ADGA. Harmonization Code: 8482.10.50.

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