30207 30208 Sealed Single Row Tapered Roller Railway Bearing
Tapered roller bearings utilize conical rollers and raceways, arranged so that the rollers and raceways meet at a common apex.
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The rollers are guided by contact between the large end of the roller and a rib on the inner ring. This provides high capacity for radial and single thrust loads.
DKB offers premium tapered roller bearings under the DKB brand names. Cups, cones, and rollers are made from case-hardened chrome steel of “Bearing Quality” to provide superior fatigue life and reliability. Precise control of heat treatment, dimensions, and surface finish of the components further contribute to reliable bearing performance.
Feature
OEM-preferred
Super-finished rollers and raceways
Tighter tolerances
Excellent shock resistant properties
Longer service life
Parameter
| Model | ID (mm) | OD (mm) | Width (mm) | Weight (kg) |
|---|---|---|---|---|
| 30203 | 17 | 40 | 12 | 0.079 |
| 30204 | 20 | 47 | 14 | 0.126 |
| 30205 | 25 | 52 | 15 | 0.154 |
| 30206 | 30 | 62 | 17.5 | 0.231 |
| 30207 | 35 | 72 | 17 | 0.331 |
| 30208 | 40 | 80 | 18 | 0.422 |
| 30209 | 45 | 85 | 19 | 0.474 |
| 30210 | 50 | 90 | 20 | 0.529 |
| 30211 | 55 | 100 | 21 | 0.713 |
| 30212 | 60 | 110 | 22 | 0.904 |
| 30213 | 65 | 120 | 23 | 1.13 |
| 30214 | 70 | 125 | 24 | 1.26 |
| 30215 | 75 | 130 | 25 | 1.36 |
| 30216 | 80 | 140 | 26 | 1.67 |
| 30217 | 85 | 150 | 31 | 2.06 |
| 30218 | 90 | 160 | 30 | 2.54 |
| 30219 | 95 | 170 | 32 | 3.04 |
| 30220 | 100 | 180 | 34 | 3.72 |
| 30221 | 105 | 190 | 36 | 4.38 |
