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SKF71906ACDGAP4ASuper Precision Angular Contact Ball Bearing – 30 mm ID, 47 mm OD, 9 mm Width, 25° Contact Angle, P4A, Extra Light Preload

Condition: New

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Super precision angular contact ball bearing, 30 x 47 x 9 mm, 25° contact angle, P4A tolerance, extra light preload (40 N). SKF 719 series high-capacity D design.

List Price

$87.60

1 in stock

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Specifications

Key Specifications

MFR / BrandSKF
MPN71906ACDGAP4A
Model71906 ACD GA P4A / 3MM 9306 WI CR DUL / B71906E / 7906A5
Bearing TypeAngular Contact Ball Bearing, Open
ID30 mm
OD47 mm
Width9 mm

Technical Specifications

PreloadExtra light (40 N)
MaterialBearing Steel
Mpn Variants71906-ACDGA/P4A, 71906 ACDGA/P4A, 71906ACDGAP4A, 71906-ACD-GA-P4A, 7906A5, 7906
Precision ClassABEC 7 / P4A
Additional AttributesFatigue load limit 183 N; axial stiffness 65 N/µm; 20 balls of 4.762 mm; oil nozzle position 36.8 mm
Dynamic Load Rating6,760 N
Static Load Rating4,300 N
Rolling ElementsBall
Item Weight0.049 kg (0.11 lb)
Number Of Rows1
Bore TypeStraight
Snap Ring IncludedNo
Contact Angle25°
Mounting ArrangementUniversally matchable: back-to-back, face-to-face or tandem
Bearing MaterialBearing steel

Cross-References

Cross Reference 1FAG B71906-E-T-P4S-UL
Cross Reference 2NSK 7906A5TYNSULP4
Cross Reference 3Timken 3MM9306WI SUL
Seller Part Number: B-AG2B3#X5IPUK

Product Description

What this part is

SKF 71906 ACDGA/P4A is a super-precision, high-capacity single row angular contact ball bearing from the SKF 719 thin-section series. It is universally matchable and can be combined back-to-back, face-to-face or in tandem to give a predetermined extra light preload without shims.

Decoding the designation

71906 — 719 series angular contact ball bearing, 30 mm bore, 47 mm outside diameter.

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

GA — single bearing for universal matching, extra light preload.

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

What these specs mean in practice

Bore Diameter: 30 mm. Outside Diameter: 47 mm. Width: 9 mm. Contact Angle: 25°. Precision Class: ABEC 7 / P4A. Preload: Extra light, 40 N unmounted (back-to-back or face-to-face pair). Axial stiffness: 65 N/µm. Dynamic Load Rating: 6,760 N. Static Load Rating: 4,300 N. Fatigue load limit: 183 N. Ball diameter: 4.762 mm. Number of balls: 20. Reference grease quantity: 0.63 cm³. Item Weight: 0.049 kg (0.11 lb). Bearing Material: Bearing steel. Closure Type: Open.

Mounting data

Inner ring shoulder diameter d1: 35.6 mm. Outer ring shoulder diameter D1: 41.4 mm. Chamfer r1,2 min: 0.3 mm. Chamfer r3,4 min: 0.2 mm. Pressure point distance a: 13.6 mm. Shaft abutment da/db min: 32 mm. Housing abutment Da max: 45 mm; Db max: 45.6 mm. Fillet radius ra max: 0.3 mm; rb max: 0.2 mm. Oil nozzle position dn: 36.8 mm.

Quantity and configuration

Unit Quantity: 1 Pc. Single universally matchable bearing.

Interchange guidance

Same envelope and 25° angle: FAG B71906-E-T-P4S-UL, NSK 7906A5TYNSULP4, Timken/Fafnir 3MM9306WI SUL. Cage execution and exact class vary by maker.

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