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Super-precision angular contact ball bearing, 90 x 140 x 24 mm, 25° contact angle, light preload duplex set, ball-guided cage, open. Cr 85.5 kN.
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| MFR / Brand | NSK |
|---|---|
| MPN | 7018A5TYDULPA7 |
| GTIN | 02917608577 |
| Model | 7018 A5 TY DUL P4 2MM9118WI-DUL 118KRDU 7018ACD |
| Bearing Type | Angular Contact Ball Bearing, Open |
| ID | 90 mm (3.5433 in) |
| OD | 140 mm (5.5118 in) |
| Width | 24 mm |
| Material | Bearing Steel |
|---|---|
| Series | 7000 |
| Condition | New |
| Preload | Light |
| Base Number | 7018A5 |
| Industry Terms | Super precision spindle bearing, machine tool angular contact bearing, duplex universal set, 25 degree ball bearing |
| Total Width | 48 mm (1.8898 in) as a pair |
| Bore Shaft Size | 90 mm (3.5433 in) |
| Mpn Variants | 7018A5TYDULPA7, 7018-A5-TY-DUL-PA7, 7018 A5 TY DUL PA7, 7018A5TYDUL PA7, 7018A5, 7018E, PA7 |
| Arrangement Configuration | Duplex universally matchable set, light preload |
| Min Temp | -30°C |
| Cage Type | Ball-guided |
| Dynamic Load Rating | 85.5 kN |
| Static Load Rating | 65.5 kN |
| Precision Rating | Not specified |
| Rolling Elements | Ball |
| Max Temp | 100°C |
| Item Weight | 1.17 kg (2.58 lb) per bearing |
| Cage Material | Not specified |
| Number Of Rows | 1 |
| Bore Type | Straight |
| Snap Ring Included | Without Snap Ring |
| Internal Clearance | N/A (preloaded set) |
| Harmonization Code | 8482.10.50 |
| Contact Angle | 25° |
| Mounting Arrangement | Universal (DB, DF or DT) |
| Design Units | Metric |
| Part Number | 7018A5TYDULPA7 |
| Cross Reference 1 | SKF 7018 ACD/P4A DGA |
|---|---|
| Cross Reference 2 | FAG B7018-E-T-P4S (related size, phenolic cage) |
| Cross Reference 3 | Fafnir 3MM9118WI |
| Cross Reference 4 | Fafnir 2MM9118WI (related size, 15° contact angle) |
NSK 7018A5TYDULPA7 super-precision angular contact ball bearing, 90 mm bore × 140 mm outside diameter × 24 mm width. Series: 7000, bore code 18. Contact Angle: 25°. Preload: light. Straight bore, open on both faces.
Base Number: 7018A5. A5: 25° contact angle. TY: ball-guided cage. DUL: duplex universally ground set at light preload. The number is also written 7018-A5-TY-DUL-PA7, 7018 A5 TY DUL PA7 and 7018A5TYDUL PA7. Fafnir 3MM9118WI covers the same bearing in the Fafnir scheme.
A 25° contact angle carries more thrust and less speed than a 15° bearing on the same envelope. Basic Dynamic Load Rating: 85.5 kN. Basic Static Load Rating: 65.5 kN. Limiting Speed: 8,500 rpm on grease, 12,000 rpm on oil or oil-air. Mass: 1.17 kg per bearing.
Ground as a universally matchable duplex set at light preload, which mounts back-to-back, face-to-face or in tandem from the same pair of rings. Total width of a pair: 48 mm. Preloaded sets are supplied without a running clearance.
The set is fitted as a unit with the marked faces together, inner rings clamped on the shaft and outer rings clamped in the housing so the ground offset holds the preload.
SKF 7018 ACD/P4A DGA is a same-envelope 25° universally matchable set at light preload. Fafnir 3MM9118WI is the same 25° bearing in the Fafnir 9100WI scheme. FAG B7018-E-T-P4S covers the same envelope and angle with a phenolic cage, so it is a related size. Fafnir 2MM9118WI carries a 15° contact angle and is a related size.
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