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Timing Belt Pulleys and V-Belt Sheaves: Matching Belt Drive Components Correctly
Belt drives may appear simple, consisting of two wheels and a belt for power transfer.
Availability:
4 in stock
Matched back-to-back angular contact ball bearing pair, 40 x 68 x 15 mm, 30 degree contact angle, ABEC 5 precision, 18.8 kN dynamic capacity, open.
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$151.05
4 in stock
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| MFR / Brand | NTN |
|---|---|
| MPN | 7008DBGNP5 |
| Model | 7008DB |
| Bearing Type | Angular Contact Ball Bearing, Open |
| ID | 40 mm |
| OD | 68 mm |
| Width | 15 mm |
| Material | High Carbon Chrome Steel |
|---|---|
| Series | 70 |
| Lubricant | Grease or oil |
| Base Number | 7008 |
| Total Width | 30 mm |
| Overall Width | 15 mm |
| Bore Shaft Size | 40 mm |
| Mpn Variants | 7008; 7008DB; 7008-DB+16-GN-P5; 7008DBGNP5 |
| Arrangement Configuration | Matched back-to-back duplex pair (DB) |
| Precision Class | ISO Class 5 |
| Dynamic Load Rating C1 | 18.80 kN (4,226 lbf) |
| Additional Attributes | Shaft abutment da min 45.5 mm; housing abutment Da max 62.5 mm; Db max 63.5 mm; shaft fillet radius r min 1.0 mm; r1 min 0.6 mm; effective load centre a 23.0 mm |
| Min Temp | -40 °C |
| Dynamic Load Rating | 18.80 kN (4,226 lbf) |
| Static Load Rating | 14.60 kN (3,282 lbf) |
| Precision Rating | ABEC 5 |
| Rolling Elements | Ball |
| Max Temp | 120 °C |
| Item Weight | 0.210 kg (0.467 lb) per bearing |
| Limiting Speed | 10,000 rpm grease; 14,000 rpm oil |
| Number Of Rows | 1 |
| Bore Type | Straight |
| Harmonization Code | 8482.10.50 |
| Contact Angle | 30° |
| Mounting Arrangement | Back-to-back (DB) |
| Design Units | Metric |
| Part Number | 7008DBGNP5 |
| Closure Type | Open |
NTN 7008DBGNP5 angular contact ball bearing, supplied as a matched back-to-back duplex pair. Unit Quantity: 2 Pcs. Bore Diameter: 40 mm. Outside Diameter: 68 mm. Width: 15 mm per bearing; Total Width: 30 mm for the pair. Single row, open, straight bore. Item Weight: 0.210 kg (0.467 lb) per bearing.
7008 — ISO 7008 size, 40 x 68 x 15 mm; with no angle letter NTN builds it at 30°.
DB — back-to-back matched pair; the load lines diverge, giving thrust capacity in both directions.
P5 — ISO Class 5, ABEC 5.
Contact Angle: 30°. Dynamic Load Rating: 18.80 kN (4,226 lbf) per bearing. Static Load Rating: 14.60 kN (3,282 lbf) per bearing. Limiting Speed: 10,000 rpm grease; 14,000 rpm oil. Precision Class: ISO Class 5 (ABEC 5). Lubricant: grease or oil. Rolling Elements: Ball. Number Of Rows: 1. Closure Type: Open. Material: High carbon chrome steel. Max Temp: 120 °C. Min Temp: -40 °C.
Shaft Fillet Radius r min: 1.0 mm. Second Fillet Radius r1 min: 0.6 mm. Shaft Abutment da min: 45.5 mm. Housing Abutment Da max: 62.5 mm. Housing Abutment Db max: 63.5 mm. Effective Load Center a: 23.0 mm. Mounting Arrangement: Back-to-back (DB). Series: 70. Base Number: 7008.
Number forms: 7008DBGNP5, 7008-DB+16-GN-P5, 7008DB, 7008.
Each bearing is 40 mm bore, 68 mm outside diameter and 15 mm wide, with a 30° contact angle.
DB is a back-to-back matched pair, supplied as 2 Pcs.
The P5 suffix is ISO Class 5, equivalent to ABEC 5.
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Belt drives may appear simple, consisting of two wheels and a belt for power transfer.
Tapered, cylindrical, and spherical roller bearings all solve the same basic problem, carrying more load
If you pulled a bearing off general industrial equipment at random, there’s a good chance
Our team can locate, cross-reference, and source all parts.
Our team can locate, cross-reference, and source all parts.
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