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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
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1 in stock
Super-precision angular contact ball bearing, 40 x 62 x 12 mm, 25 degree contact angle, light preload, universally ground thin-section single, 14.3 kN dynamic.
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| MFR / Brand | NSK |
|---|---|
| MPN | 7908A5TYSUL |
| Model | 7908 A5 TY SUL |
| Bearing Type | Angular Contact Ball Bearing, Open |
| ID | 40 mm |
| OD | 62 mm |
| Width | 12 mm |
| Material | Bearing Steel |
|---|---|
| Series | 7900 |
| Base Number | 7908A5 |
| Industry Terms | Spindle bearing; machine tool bearing; angular contact |
| Common Misspellings | 7908 A5TY SUL; 7908A5TYSVL; 7908AS TYSUL; NSK 7908 A5 SUL |
| Application Types | Machine tool spindles; grinding spindles; limited radial space |
| Bore Shaft Size | 40 mm |
| Mpn Variants | 7908A5TYSUL; 7908-A5-TY-SUL; 7908 A5 TY SUL; 7908A5TYNSUL |
| Manufacturer Status | NSK, current range |
| Rolling Elements | Ball |
| Number Of Rows | Single row |
| Bore Type | Straight |
| Snap Ring Included | No |
| Harmonization Code | 8482.10.50.68 |
| Contact Angle | 25 degrees |
| Part Number | 7908A5TYSUL |
NSK 7908A5TYSUL super-precision single-row angular contact ball bearing in the 19-dimension thin-section series, 40 mm bore, 62 mm outside diameter, 12 mm width, 25° contact angle, single universally ground at light preload, open. Unit Quantity: 1 Pc.
7908 — 19-dimension series angular contact ball bearing, 40 x 62 x 12 mm, in NSK’s designation style. The ISO designation is 71908.
A5 — 25° contact angle in NSK’s scheme, where C is 15°, A5 is 25°, A is 30° and B is 40°.
SUL — single universally ground, light preload. The NSK preload range is SUEL extra-light, SUL light, SUM medium, SUH heavy.
Brand: NSK. Bearing Type: Super-precision angular contact ball bearing. Bore Diameter: 40 mm. Outside Diameter: 62 mm. Overall Width: 12 mm. Contact Angle: 25°. Preload: Light. Arrangement: SUL, single universally ground. Number Of Rows: Single row. Rolling Elements: Steel balls. Bearing Material: Bearing steel. Closure Type: Open. Series: 79, ISO 19 dimension series. Base Number: 7908A5. Design Units: Metric. Dynamic Load Rating: 14.3 kN. Static Load Rating: 11.2 kN. Limiting Speed: 14,000 rpm grease; 18,000 rpm oil. Item Weight: 0.110 kg. Harmonization Code: 8482.10.50.68.
Contact Point Distance a: 17.9 mm. Chamfer r minimum: 0.6 mm. Chamfer r1 minimum: 0.30 mm. Shaft Fillet Diameter da: 45.0 mm. Housing Shoulder Diameter Da: 57.0 mm. Housing Fillet ra: 0.6 mm.
Angle-equivalent designations at 25°: SKF 71908 ACD, Schaeffler B71908E, Fafnir 3MM9308WI family. MPN Variants: 7908A5TYSUL, 7908-A5-TY-SUL, 7908 A5 TY SUL, 7908A5TYNSUL, 7908A5SUL, 7908A5, 71908.
Bore 40 mm, outside diameter 62 mm, width 12 mm.
Single universally ground bearing with light preload. One bearing per unit.
Dynamic Load Rating 14.3 kN, Static Load Rating 11.2 kN, limiting speed 14,000 rpm with grease and 18,000 rpm with oil.
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