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Deep Groove Ball Bearings: The Industry Default and When to Reach for Something Else
If you pulled a bearing off general industrial equipment at random, there’s a good chance
Availability:
3 in stock
Super precision angular contact ball bearing, 85x130x22 mm, 25 degree contact angle, outer-ring guided phenolic cage, light-preload duplex pair.
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$485.10
3 in stock
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| MFR / Brand | NSK |
|---|---|
| MPN | 7017A5TRDULP4Y |
| GTIN | 029176587436 |
| Model | 7017A-5TR-DUL-P4Y ABEC7 |
| Bearing Type | Angular Contact Ball Bearing, Open |
| ID | 85 mm |
| OD | 130 mm |
| Width | 22 mm |
| Material | Chrome Steel |
|---|---|
| Series | 7000 Series Super Precision |
| Preload | Light (L) |
| Base Number | 7017 |
| Industry Terms | Super precision angular contact ball bearing; spindle bearing; phenolic cage bearing; matched duplex pair; machine tool bearing |
| Common Misspellings | 7017ASTRDULP4Y; 7017A5TRDULP4-Y; 7017A5TRDU LP4Y; 7017 A5TRDULP4Y; 7017A5TRDULPAY |
| Application Types | Machine tool spindles; grinding spindles; precision gearboxes; high-speed rotary tables; milling and turning centres |
| Overall Width | 22 mm |
| Mpn Variants | 7017A5TRDULP4Y; 7017A5 TR DUL P4Y; 7017-A5-TR-DUL-P4Y; 7017A5TR DUL P4Y; 7017 A5 TR DUL P4Y |
| Precision Class | ABEC 7 / P4 |
| Additional Attributes | Effective load centre a 36.1 mm; permissible axial load Pa 43.0 kN; da min 92 mm; Da max 123 mm; Db max 125 mm; ra max 1 mm; rb max 0.6 mm; r min 1.1 mm; r1 min 0.6 mm |
| Cage Type | Outer-ring guided |
| Dynamic Load Rating | 71,500 N |
| Static Load Rating | 55,500 N |
| Rolling Elements | Ball |
| Item Weight | 0.904 kg (1.993 lb) per bearing |
| Cage Material | Phenolic |
| Number Of Rows | Single Row |
| Bore Type | Straight |
| Snap Ring Included | Without Snap Ring |
| Limiting Speed | 9,400 rpm grease; 14,000 rpm oil |
| Lubricant | Grease or oil-air; 4.9 g grease per bearing recommended |
| Harmonization Code | 8482.10.5028 |
| Contact Angle | 25° |
| Mounting Arrangement | Universal duplex (DU), pairable DB, DF or DT |
| Bearing Material | Bearing Steel |
| Cross Reference 1 | SKF 7017 ACD/P4A |
|---|---|
| Cross Reference 2 | FAG B7017-E-T-P4S |
| Cross Reference 3 | Fafnir / Timken 3MM9117WI |
| Cross Reference 4 | NSK 7017A5TYNDULP4 (sibling, polyamide cage) |
| Cross Reference 5 | NSK 7017A5TRSULP4Y (sibling, supplied as a single universal unit) |
| Cross Reference 6 | NSK 7017A5TRDUMP4Y (sibling, medium preload) |
| Cross Reference 7 | NTN 7017UCDBP4 (comparable 25 degree super precision, not a code-for-code match) |
NSK 7017A5TRDULP4Y is a super precision single-row angular contact ball bearing in the 7000 series, 85 mm bore by 130 mm outside diameter by 22 mm width, supplied as a universally ground pair. Bore Diameter: 85 mm. Outside Diameter: 130 mm. Overall Width: 22 mm. Contact Angle: 25°. Precision Class: ABEC 7 / P4. Rolling Elements: Ball. Bore Type: Straight. Closure Type: Open. Number Of Rows: Single Row. Bearing Material: Bearing Steel. Series: 7000 Series Super Precision. Base Number: 7017.
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, commonly quoted as ABEC 7.
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. Cage Material: Phenolic. Cage Type: Outer-ring guided. Preload: Light (L). Lubricant: grease or oil-air, 4.9 g grease per bearing recommended. Load ratings and mass are stated per bearing, not per set.
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.
Unit Quantity: 2 Pcs. Mounting Arrangement: universal duplex (DU), pairable DB, DF or DT. A preloaded set carries a defined preload rather than a running internal clearance.
Equivalents at 25° include SKF 7017 ACD/P4A, FAG B7017-E-T-P4S and Fafnir · Timken 3MM9117WI. NSK siblings in the same envelope include 7017A5TYNDULP4 and 7017A5TRSULP4Y, which differ in cage or in arrangement. NTN 7017UCDBP4 is a comparable 25° super precision bearing rather than a code-for-code match.
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