NTN 7221B bearings
7221B, Angular contact ball bearing, pressed cage, contact angle 40°
- Measurement system
- Metric
- Bore diameter
- 105.000 mm
- Outside diameter
- 190.000 mm
- Width
- 36.000 mm
- Cr
- 157000 N
- C0r
- 129000 N
- Limiting speed
- 3200 r/min
- Net weight
- 3.870 kg
- Number of rows
- 1
- Contact angle deg
- 40
- Sealing
- Without
- Cage
- Steel sheet
- Bearing material
- Steel
- Rolling material
- Steel
- Tolerance class
- Normal (PN)
In stock
Technical specification for NTN 7221B
| Part Number | 7221B | |
|---|---|---|
| Brand | NTN | |
| Description | Angular contact ball bearing | |
| Net weight | 3.870 kg | |
| PRODUCT DEFINITION | ||
| d | 105 mm | Internal diameter |
| D | 190 mm | External diameter |
| B | 36 mm | Width |
| a | 80.000 mm | Charge load application point |
| α | 40° | Contact angle |
| rs | 2.1 mm | Min fillet radius |
| r1s | 1.10 mm | Min fillet radius |
| PRODUCT PERFORMANCE | ||
| C | 157 kN | Dynamic load |
| C0 | 129 kN | Static load |
| Cu | 8.05 kN | Fatigue limit load |
| N | 4 300 tr/min | Oil lubrication limit speed |
| N | 3 200 tr/min | Grease lubrication limit speed |
| ABUTMENT | ||
| da min. | 117 mm | Min shoulder diameter IR |
| db min. | 112 mm | Min shoulder diameter IR |
| Da max. | 178 mm | Max shoulder diameter OR |
| Db max. | 183 mm | Max shoulder diameter OR |
| ra max. | 2 mm | Max shaft & housing fillet radius |
| r1a max. | 1 mm | Max fillet radius |
7221B, Brand: NTN, Angular contact ball bearing, Internal diameter 105 mm; External diameter 190 mm; Width 36 mm; 3.870 kg.
NTN 7221B, 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.
- Log in to post comments
Related products
NTN 7221 bearings
Brand: NTN
Angular contact ball bearing
Dimensions: 105x 190x 36mm