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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
Super precision angular contact ball bearing, 45x75x16 mm, 25 degree contact angle, ABEC 7 / P4, light-preload universally ground duplex pair.
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$217.44
1 in stock
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| MFR / Brand | NSK |
|---|---|
| MPN | 7009A5TYDULP4 |
| GTIN | 029176068508 |
| Model | 7009A5 TY DUL P4 / 3MM9109 WI CR DUL / 7009 ACD / B7009-E |
| Bearing Type | Angular Contact Ball Bearing, Open |
| ID | 45 mm |
| OD | 75 mm |
| Width | 16 mm |
| Material | Bearing Steel |
|---|---|
| Series | 7000 Series Super Precision |
| Preload | Light (L) |
| Base Number | 7009 |
| Industry Terms | Super precision angular contact ball bearing; spindle bearing; matched duplex pair; ABEC 7 bearing; machine tool bearing |
| Common Misspellings | 7009ASTYDULP4; 7009A5TYDULP-4; 7009A5TYDULPA; 7009 A5TYDULP4; 7009A5TYDUIP4 |
| Application Types | Machine tool spindles; grinding spindles; precision gearboxes; high-speed rotary tables; milling and turning centres |
| Overall Width | 16 mm |
| Mpn Variants | 7009A5TYDULP4; 7009A5 TY DUL P4; 7009-A5-TY-DUL-P4; 7009A5 TYDUL P4; 7009A5TYDUL P4 |
| Precision Class | ABEC 7 / P4 |
| Additional Attributes | Effective load centre a 22.0 mm; permissible axial load Pa 14.5 kN; da min 51 mm; Da max 69 mm; Db max 70 mm; ra max 1 mm; rb max 0.5 mm; r min 1 mm; r1 min 0.6 mm |
| Cage Type | Ball-guided |
| Dynamic Load Rating | 29,100 N |
| Static Load Rating | 18,300 N |
| Rolling Elements | Ball |
| Item Weight | 0.250 kg (0.551 lb) per bearing |
| Number Of Rows | Single Row |
| Bore Type | Straight |
| Snap Ring Included | Without Snap Ring |
| Limiting Speed | 16,700 rpm grease; 25,000 rpm oil |
| Lubricant | Grease or oil-air; 1.4 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 7009 ACD/P4A |
|---|---|
| Cross Reference 2 | FAG B7009-E-T-P4S |
| Cross Reference 3 | Fafnir / Timken 3MM9109WI |
| Cross Reference 4 | NSK 7009A5TRDULP4 (sibling, phenolic cage) |
| Cross Reference 5 | NSK 7009A5TYNDULP4 (sibling, polyamide cage) |
| Cross Reference 6 | NSK 7009A5TYDBLP4 (sibling, back-to-back pairing) |
| Cross Reference 7 | NTN 7009UCDBP4 - comparable 25 deg, not code-for-code |
NSK 7009A5TYDULP4 is a super precision single-row angular contact ball bearing in the 7000 series, 45 mm bore by 75 mm outside diameter by 16 mm width, 25° contact angle, light preload, supplied as a universally ground pair. Unit Quantity: 2 Pcs.
7009 — 70 dimension series, 45 mm bore.
A5 — 25° contact angle in NSK super precision nomenclature.
TY — ball-guided cage.
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.
P4 — ISO Class 4 accuracy, commonly quoted as ABEC 7.
Bore Diameter: 45 mm. Outside Diameter: 75 mm. Overall Width: 16 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: 7009. Dynamic Load Rating: 29,100 N per bearing. Static Load Rating: 18,300 N per bearing. Limiting Speed: 16,700 rpm grease; 25,000 rpm oil. Permissible Axial Load Pa: 14.5 kN. Item Weight: 0.250 kg (0.551 lb) per bearing. Cage Type: Ball-guided. Preload: Light (L). Lubricant: Grease or oil-air; recommended grease quantity 1.4 g per bearing. Mounting Arrangement: Universal duplex (DU), pairable DB, DF or DT. Unit Quantity: 2 Pcs.
Effective load centre a: 22.0 mm. Shaft abutment diameter da min: 51 mm. Housing abutment diameter Da max: 69 mm. Housing abutment diameter Db max: 70 mm. Shaft fillet radius ra max: 1 mm. Housing fillet radius rb max: 0.5 mm. Chamfer r min: 1 mm. Chamfer r1 min: 0.6 mm. Load ratings and mass are stated per bearing.
SKF 7009 ACD/P4A, FAG B7009-E-T-P4S and Fafnir/Timken 3MM9109WI — 25° equivalents. NSK 7009A5TRDULP4 and 7009A5TYNDULP4 — same envelope, different cage. NTN 7009UCDBP4 — comparable 25° super precision bearing.
25°, from the A5 code.
16,700 rpm on grease and 25,000 rpm on oil.
Two bearings, a universally ground duplex pair at light preload.
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