HR32303NSKTapered Roller
HR32303 is a NSK tapered roller bearing, bore 17 mm, O.D. 47 mm, width 19 mm, dynamic rating 46 kN. Dimensions, drawing, interchanges and price.
Original catalogue drawing - NSK E1103, page 261
Scanned from the manufacturer catalogue page listing this part number. All part numbers printed on that table share the same drawing.
Scale cross-section
Blue = inner / outer ring, yellow = rolling element. Drawn to scale from this part's own dimensions for selection reference only - not a manufacturing or assembly drawing.
Dimension table (mm / inch)
| Symbol | Dimension | mm | inch |
|---|---|---|---|
| d | Bore diameter | 17 | 0.6693 |
| D | Outside diameter | 47 | 1.8504 |
| B | Inner-ring / bearing width | 19 | 0.748 |
| T | Overall assembly width | 20.25 | 0.7972 |
| C | Cup / outer-ring width | 16 | 0.6299 |
| r | Chamfer (min) | 1 | 0.0394 |
Notes
Weights are given in kg. Load ratings are shown in both the original catalogue units and the converted value (1 N = 0.2248 lbf). Data is provided for selection reference only - confirm against the latest official catalogue before ordering.
Main dimensions
| Bore d (mm) | 17 |
|---|---|
| Outside dia. D (mm) | 47 |
| Width B (mm) | 19 |
| Overall width T (mm) | 20.25 |
| Cup width C (mm) | 16 |
Load ratings & speeds
| Basic dynamic load rating Cr (lbs) | 10341 |
|---|---|
| Basic static load rating Cor (lbs) | 8206 |
| Basic dynamic load rating Cr (N) | 46000 |
| Basic static load rating C0r (N) | 36500 |
| Limiting speed - grease (rpm) | 8,500 |
Weight
| Weight (kg) | 0.178 |
|---|
Mounting dimensions (fillets / shoulders)
| Housing fillet r max (mm) | 1 |
|---|
Bearing life (ISO 281 basic rating life)
| C / P | Equivalent load P (N) | L10 (106 rev) | L10h at 2,800 rpm |
|---|---|---|---|
| 4 | 11,500 | 102 | 605 |
| 6 | 7,667 | 392 | 2,336 |
| 8 | 5,750 | 1,024 | 6,095 |
| 10 | 4,600 | 2,154 | 12,824 |
| 15 | 3,067 | 8,323 | 49,544 |
Basic rating life per ISO 281: L10 = (C/P)10/3 with C = 46,000 N. Hours = L10 x 106 / (60n). Life-modification factors for lubrication, contamination and temperature (aISO) are not included.
Source & traceability
| Brand | NSK |
|---|---|
| Source catalogue | NSK CAT. No. E1103 (metric) |
| Catalogue page | p.261 (dimensions) |
Load ratings in newtons, weights in kg, limiting speeds for grease and oil lubrication.
Interchange - same dimensions, other brands
| Designation | Brand | Type | d | D | B/T | Dyn. rating | kg |
|---|---|---|---|---|---|---|---|
| 2303-2RS-TVH | FAG | Ball | 17 | 47 | 19 | 12.9 kN | 0.175 |
| 2303-TVH | FAG | Ball | 17 | 47 | 19 | 13.9 kN | 0.155 |
| 4303-B-TVH | FAG | Ball | 17 | 47 | 19 | 20.9 kN | 0.178 |
| 62303-2RSR | FAG | Ball | 17 | 47 | 19 | 14.3 kN | 0.152 |
| 32303-A | FAG | Tapered Roller | 17 | 47 | 19 | 36 kN | 0.18 |
Same dimensions, same brand
| Designation | Brand | Type | d | D | B/T | Dyn. rating | kg |
|---|---|---|---|---|---|---|---|
| 2303 | NSK | Ball | 17 | 47 | 19 | 3,210 lbs | 0.177 |
| 32303 | NSK | Tapered Roller | 17 | 47 | 19 | 7,530 lbs | 0.177 |
Nearby bore sizes
| Designation | Brand | Type | d | D | B/T | Dyn. rating | kg |
|---|---|---|---|---|---|---|---|
| 30303 | NSK | Tapered Roller | 17 | 47 | 14 | 27 kN | 0.129 |
| 32303 | NSK | Tapered Roller | 17 | 47 | 19 | 7,530 lbs | 0.177 |
| HR30203 | NSK | Tapered Roller | 17 | 40 | 12 | 24.8 kN | 0.079 |
| HR30203J | NSK | Tapered Roller | 17 | 40 | 12 | 4,520 lbs | 0.077 |
| HR30303 | NSK | Tapered Roller | 17 | 47 | 14 | 36 kN | 0.134 |
| HR30303J | NSK | Tapered Roller | 17 | 47 | 14 | 6,560 lbs | 0.136 |
| HR32203J | NSK | Tapered Roller | 17 | 40 | 16 | 6,090 lbs | 0.104 |
| A6067/A6157 | NSK | Tapered Roller | 16.99 | 39.99 | 11.15 | 3,360 lbs | 0.073 |
Request a quotation for HR32303
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