NTN 7004 bearings
7004, Angular contact ball bearing, resin cage, contact angle 30
- Measurement system
- Metric
- Bore diameter
- 20.000 mm
- Outside diameter
- 42.000 mm
- Width
- 12.000 mm
- Cr
- 10700 N
- C0r
- 5600 N
- Limiting speed
- 19000 r/min
- Net weight
- 0.080 kg
- Number of rows
- 1
- Contact angle deg
- 30
- Sealing
- Without
- Cage
- Resin cage
- Bearing material
- Steel
- Rolling material
- Steel
- Tolerance class
- Normal (PN)
In stock
Technical specification for NTN 7004
| Part Number | 7004 | |
|---|---|---|
| Brand | NTN | |
| Description | Angular contact ball bearing | |
| Net weight | 0.080 kg | |
| PRODUCT DEFINITION | ||
| d | 20 mm | Internal diameter |
| D | 42 mm | External diameter |
| B | 12 mm | Width |
| a | 15.000 mm | Charge load application point |
| α | 30° | Contact angle |
| rs | 0.6 mm | Min fillet radius |
| r1s | 0.30 mm | Min fillet radius |
| PRODUCT PERFORMANCE | ||
| C | 10.7 kN | Dynamic load |
| C0 | 5.6 kN | Static load |
| Cu | 0.44 kN | Fatigue limit load |
| N | 25 000 tr/min | Oil lubrication limit speed |
| N | 19 000 tr/min | Grease lubrication limit speed |
| ABUTMENT | ||
| da min. | 24.5 mm | Min shoulder diameter IR |
| db min. | 24.5 mm | Min shoulder diameter IR |
| Da max. | 37.5 mm | Max shoulder diameter OR |
| Db max. | 39.5 mm | Max shoulder diameter OR |
| ra max. | 0.6 mm | Max shaft & housing fillet radius |
| r1a max. | 0.3 mm | Max fillet radius |
7004, Brand: NTN, Angular contact ball bearing, Internal diameter 20 mm; External diameter 42 mm; Width 12 mm; 0.080 kg.
NTN 7004, single row angular contact ball bearing is designed to withstand combined loads with a predominant axial componen. Installed in opposition with another bearing of the same type, it guarantees high mounting rigidity.
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