store Gearmotors: What They Are and How to Size a Replacement
Many industrial loads need torque an electric motor can’t deliver on its own, at a
Availability:
70 in stock
Deep groove ball bearing, 40 x 62 x 12 mm, rubber contact seals both sides. 69 series thin section, CN clearance, pressed steel cage, 15 kN dynamic rating.
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| MFR / Brand | NSK |
|---|---|
| MPN | 6908DDU |
| GTIN | 029176066719 |
| Model | 6908 2RS RS DU DDU / 61908 |
| Bearing Type | Ball Bearing, Rubber contact seals both sides |
| ID | 40 mm |
| OD | 62 mm |
| Width | 12 mm |
| Material | Chrome steel |
|---|---|
| Series | 6900 (69) |
| Lubricant | Grease |
| Base Number | 6908 |
| Total Width | 12 mm |
| Bore Shaft Size | 40 mm |
| Mpn Variants | 6908DDU, 6908 DDU, 6908-2RS, 6908RS, 6908DU, 61908-2RS |
| Precision Class | ISO Normal (ABEC 1 / P0) |
| Closure Type | Rubber contact seals both sides |
| Cage Type | Pressed |
| Dynamic Load Rating | 15.0 kN (15,000 N) |
| Static Load Rating | 10.0 kN (10,000 N) |
| Precision Rating | ABEC 1 / P0 |
| Rolling Elements | Ball |
| Item Weight | 0.112 kg (0.247 lb) |
| Cage Material | Steel |
| Limiting Speed | 6,300 rpm (grease) |
| Number Of Rows | 1 |
| Bore Type | Straight |
| Snap Ring Included | Without Snap Ring |
| Internal Clearance | CN |
| Harmonization Code | 8482.10.50 |
| Part Number | 6908DDU |
| Industry Terms | Deep groove ball bearing; sealed ball bearing; thin section ball bearing; 69 series bearing; 61908-2RS |
| Common Misspellings | NSK 6908 DDU; NSK6908DDU; NKS 6908DDU; NSK 6908-DDU |
| Application Types | Compact gearboxes; actuator heads; electric motors; light industrial machinery |
| Cross Reference 1 | SKF 61908-2RS1 |
|---|---|
| Cross Reference 2 | FAG 61908-2RSR |
| Cross Reference 3 | Koyo 6908-2RS |
NSK 6908DDU single-row deep groove ball bearing, rubber contact seals on both sides, straight bore, pressed steel cage. Unit Quantity: 1 Pc. Bore Diameter: 40 mm. Outside Diameter: 62 mm. Width: 12 mm. Series: 6900 (69 thin section). GTIN: 029176066719.
6908 — NSK number for the 69 series, 40 x 62 x 12 mm; catalogued by other makers as 61908.
DDU — rubber contact seal on both sides.
Dynamic Load Rating: 15,000 N. Static Load Rating: 10,000 N. Limiting Speed: 6,300 rpm grease. Internal Clearance: CN. Precision Class: ISO Normal, ABEC 1. Cage Material: Steel. Cage Type: Pressed. Closure Type: Rubber contact seals both sides. Number of balls: 14. Ball diameter: 6.747 mm. Calculation factor f0: 15.7. Item Weight: 0.112 kg (0.247 lb).
Bore Diameter: 40 mm. Outside Diameter: 62 mm. Width: 12 mm. Chamfer r min: 0.6 mm. Shaft abutment diameter da: 44 mm minimum, 46 mm maximum. Housing abutment diameter Da: 58 mm maximum. Shaft or housing fillet radius ra: 0.6 mm maximum.
Cross-references: SKF 61908-2RS1; FAG 61908-2RSR; Koyo 6908-2RS. Also written as 6908 DDU, 6908-2RS, 6908RS, 6908DU and 61908-2RS.
40 mm bore, 62 mm outside diameter, 12 mm width.
DDU is a rubber contact seal on both sides of the bearing.
Dynamic load rating 15,000 N, static load rating 10,000 N, limiting speed 6,300 rpm with grease.
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