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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:
1 in stock
Precision angular contact ball bearing, 85 x 130 x 22 mm, 25° contact angle, ball-guided cage, tandem ground, ABEC 5 / P5. One bearing, half of a pair.
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$183.58
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| MFR / Brand | NSK |
|---|---|
| MPN | 7017A5TYDTP5-1/2PR |
| Model | 7017 A5 TY DT P5 / 3MM9117 WI CR / B-7017-E |
| Bearing Type | Angular Contact Ball Bearing, Open |
| ID | 85 mm |
| OD | 130 mm |
| Width | 22 mm |
| Material | Bearing Steel |
|---|---|
| Series | 7000 |
| Base Number | 7017 |
| Industry Terms | Half of a pair bearing, tandem mounted bearing, DT arrangement |
| Application Types | Machine tool spindles, precision gearboxes, screw drives |
| Bore Shaft Size | 85 mm |
| Mpn Variants | 7017A5TYDTP5-1/2PR, 7017-A5-TY-DT-P5, 7017A5TYDTP5, 7017A5TYDT |
| Rolling Elements | Ball |
| Number Of Rows | 1 |
| Bore Type | Straight |
| Snap Ring Included | Without Snap Ring |
| Harmonization Code | 8482.10.50 |
| Contact Angle | 25° |
| Part Number | 7017 A5 TY DT P5 - 1/2PR |
| Cross Reference 1 | SKF 7017 ACD/P4A - P4 class, not P5 |
|---|---|
| Cross Reference 2 | Fafnir 3MM9117WI - P4 class, not P5 |
NSK 7017A5TYDTP5-1/2PR single precision angular contact ball bearing, 85 x 130 x 22 mm, 25° contact angle, ground for tandem (DT) mounting. One bearing, half of a tandem pair.
7017 — angular contact ball bearing, 70 series, 85 mm bore.
A5 — 25° contact angle in NSK’s scheme. NSK plain A is 30° and C is 15°.
TY — ball-guided cage.
DT — tandem arrangement: both bearings of a pair face the same way.
P5 — ISO tolerance class 5, equivalent to ABEC 5.
-1/2PR — half of a pair; one bearing.
Bearing Type: Angular Contact Ball Bearing. Bore Diameter: 85 mm. Outside Diameter: 130 mm. Overall Width: 22 mm. Contact Angle: 25°. Precision Class: ABEC 5 / P5. Mounting Arrangement: Tandem (DT). Cage Type: Ball-guided. Closure Type: Open. Number Of Rows: 1. Bore Type: Straight. Series: 70. Unit Quantity: 1 Pc. Harmonization Code: 8482.10.50.
Tandem (DT): both bearings of a pair face the same direction and share a one-direction axial load.
25° parts from other makers: SKF 7017 ACD/P4A and Fafnir 3MM9117WI (3MM = 25°), both P4 class. NSK 7017A is 30° and NSK 7017C is 15°. Alternate part numbers: 7017A5TYDTP5-1/2PR, 7017-A5-TY-DT-P5, 7017A5TYDTP5, 7017A5TYDT.
Bore 85 mm, outside diameter 130 mm, width 22 mm.
Half of a pair: one bearing, ground for tandem (DT) mounting.
25° contact angle (A5) and ISO class 5 (P5), equivalent to ABEC 5.
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