NSK7017A5TRDULP4YAngular Contact Ball Bearing 85x130x22 mm Super Precision 25 Degree ABEC 7 Phenolic Cage Light Preload Universal Duplex Pair – NSK 7017A5TRDULP4Y

Product Description

What this part is:

NSK 7017A5TRDULP4Y is a super precision single-row angular contact ball bearing, 85 mm bore by 130 mm outside diameter by 22 mm width. It is a universally ground duplex set of 2 Pcs with light preload, a phenolic outer-ring-guided cage and a 25° contact angle.

Decoding the designation:

7017 — 70 dimension series, 85 mm bore.

A5 — 25° contact angle in NSK super precision nomenclature.

TR — phenolic resin cage, outer-ring guided.

DU — universally ground duplex set, flush-ground so the two rings pair back-to-back, face-to-face or in tandem.

L — light preload class.

P4Y — NSK accuracy grade in the P4 family, published as ABEC 7 / P4.

Specifications:

Bore Diameter: 85 mm. Outside Diameter: 130 mm. Overall Width: 22 mm. Contact Angle: 25°. Precision Class: ABEC 7 / P4. Rolling Elements: Ball. Number Of Rows: Single Row. Closure Type: Open. Cage Material: Phenolic. Cage Type: Outer-ring guided. Preload: Light (L). Unit Quantity: 2 Pcs. Dynamic Load Rating: 71,500 N per bearing. Static Load Rating: 55,500 N per bearing. Limiting Speed: 9,400 rpm grease; 14,000 rpm oil. Permissible axial load Pa: 43.0 kN. Item Weight: 0.904 kg (1.993 lb) per bearing. Lubricant: grease or oil-air, 4.9 g grease per bearing recommended.

Dimensions and mounting:

Effective load centre a: 36.1 mm. Shaft abutment diameter da min: 92 mm. Housing abutment diameter Da max: 123 mm. Housing abutment diameter Db max: 125 mm. Shaft fillet radius ra max: 1 mm. Housing fillet radius rb max: 0.6 mm. Chamfer r min: 1.1 mm. Chamfer r1 min: 0.6 mm. Mounting Arrangement: universal duplex (DU), pairable DB, DF or DT.

Compatibility and replacement:

25° cross-references: SKF 7017 ACD/P4A, FAG B7017-E-T-P4S, Fafnir / Timken 3MM9117WI. NSK siblings in the same envelope: 7017A5TYNDULP4 (polyamide cage), 7017A5TRSULP4Y (single universal unit), 7017A5TRDUMP4Y (medium preload). NTN 7017UCDBP4 is a 25° super precision bearing, not a code-for-code match.

Frequently asked questions:

What contact angle does the NSK 7017A5TRDULP4Y have?

25°. The A5 code in the designation denotes 25° contact angle in NSK super precision nomenclature.

What does this 7017A5TRDULP4Y listing consist of?

A universally ground duplex (DU) set of 2 Pcs with light (L) preload, a phenolic outer-ring-guided cage and ABEC 7 / P4 accuracy.

What are the load ratings and speed limits of the 7017A5TRDULP4Y?

Dynamic Load Rating 71,500 N and Static Load Rating 55,500 N per bearing. Limiting Speed is 9,400 rpm with grease and 14,000 rpm with oil-air.