NTN 7028 bearings
7028, Angular contact ball bearing, machined brass cage, contact angle 30
- Measurement system
- Metric
- Bore diameter
- 140.000 mm
- Outside diameter
- 210.000 mm
- Width
- 33.000 mm
- Cr
- 133000 N
- C0r
- 133000 N
- Limiting speed
- 3100 r/min
- Net weight
- 3.960 kg
- Number of rows
- 1
- Contact angle deg
- 30
- Sealing
- Without
- Cage
- Machined brass
- Bearing material
- Steel
- Rolling material
- Steel
- Tolerance class
- Normal (PN)
In stock
Technical specification for NTN 7028
| Part Number | 7028 | |
|---|---|---|
| Brand | NTN | |
| Description | Angular contact ball bearing | |
| Net weight | 3.960 kg | |
| PRODUCT DEFINITION | ||
| d | 140 mm | Internal diameter |
| D | 210 mm | External diameter |
| B | 33 mm | Width |
| a | 67.000 mm | Charge load application point |
| α | 30° | Contact angle |
| rs | 2.0 mm | Min fillet radius |
| r1s | 1.00 mm | Min fillet radius |
| PRODUCT PERFORMANCE | ||
| C | 133 kN | Dynamic load |
| C0 | 133 kN | Static load |
| Cu | 6.85 kN | Fatigue limit load |
| N | 4 100 tr/min | Oil lubrication limit speed |
| N | 3 100 tr/min | Grease lubrication limit speed |
| ABUTMENT | ||
| da min. | 0 mm | Min shoulder diameter IR |
| db min. | 150 mm | Min shoulder diameter IR |
| Da max. | 200 mm | Max shoulder diameter OR |
| Db max. | 204.5 mm | Max shoulder diameter OR |
| ra max. | 2 mm | Max shaft & housing fillet radius |
| r1a max. | 1 mm | Max fillet radius |
7028, Brand: NTN, Angular contact ball bearing, Internal diameter 140 mm; External diameter 210 mm; Width 33 mm; 3.960 kg.
NTN 7028, 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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