32300 Series Tapered Roller Bearings – Metric, Heavy Duty, 20–170mm Bore
GBC-supplied 32300 series metric tapered roller bearings, 32304 to 32334, d 20–170 mm. Highest load in the metric tapered roller range. ISO 355 / DIN 720
MOQ: 50 pcs. Minimum order value USD 1,500; mixed orders and trial quantities welcome.
METRIC TAPERED ROLLER BEARINGS — 32300 SERIES
Series Overview
The 32300 series (323xx) is the highest-load-capacity metric tapered roller series, with the widest T-dimension of all standard metric tapered roller series at any given bore size. Dynamic load ratings reach 1,300,000 N in the largest model.
The series spans 22 sizes from d 20 mm to d 170 mm. Fully interchangeable with SKF, FAG, NSK and Koyo 32300 equivalents. Supplied by GBC, MOQ 100 pieces.
Key Design Features
Highest load rating in metric tapered roller range
Widest T-dimension gives dynamic loads up to 1,300,000 N and static up to 1,760,000 N.
Designed for continuous heavy-duty operation
Large roller complement optimised for long service life under sustained high combined loading.
d 20 to d 170 mm — 22 sizes
Covers the most demanding bore sizes in the metric range.
ISO 355 / DIN 720 compliant
Full compliance ensures interchangeability with all major manufacturers.
Boundary dimensions: d bore · D outer diameter · T / B width (mm)
Complete Specification Table
Dimensions in mm · Load ratings in N · Weight in kg
32304 to 32312 — d 20–60 mm
| Bearing No. | d | D | T | Dynamic (N) | Static (N) | Weight (kg) |
|---|---|---|---|---|---|---|
| 32304 | 20 | 52 | 22.250 | 46,400 | 48,300 | 0.230 |
| 32305 | 25 | 62 | 25.250 | 67,000 | 72,300 | 0.360 |
| 32306 | 30 | 72 | 28.750 | 81,100 | 89,800 | 0.550 |
| 32307 | 35 | 80 | 32.750 | 107,000 | 123,000 | 0.740 |
| 32308 | 40 | 90 | 35.250 | 123,000 | 150,000 | 1.010 |
| 32309 | 45 | 100 | 38.250 | 143,000 | 172,000 | 1.340 |
| 32310 | 50 | 110 | 42.250 | 173,000 | 211,000 | 1.660 |
| 32310/55 | 55 | 110 | 42.250 | 173,000 | 211,000 | 1.660 |
| 32311 | 55 | 120 | 45.500 | 211,000 | 265,000 | 2.130 |
| 32312 | 60 | 130 | 48.500 | 244,000 | 310,000 | 2.690 |
32313 to 32334 — d 65–170 mm
| Bearing No. | d | D | T | Dynamic (N) | Static (N) | Weight (kg) |
|---|---|---|---|---|---|---|
| 32313 | 65 | 140 | 51.000 | 280,000 | 358,000 | 3.260 |
| 32314 | 70 | 150 | 54.000 | 316,000 | 407,000 | 4.250 |
| 32315 | 75 | 160 | 58.000 | 346,000 | 488,000 | 5.340 |
| 32316 | 80 | 170 | 61.500 | 387,000 | 549,000 | 6.380 |
| 32317 | 85 | 180 | 63.500 | 421,000 | 599,000 | 7.300 |
| 32318 | 90 | 190 | 67.500 | 477,000 | 477,000 | 8.780 |
| 32319 | 95 | 200 | 71.500 | 515,000 | 745,000 | 10.700 |
| 32320 | 100 | 215 | 77.500 | 572,000 | 780,000 | 13.000 |
| 32321 | 105 | 225 | 81.500 | 646,000 | 955,000 | 14.500 |
| 32322 | 110 | 240 | 84.500 | 722,000 | 1,070,000 | 17.800 |
| 32324 | 120 | 260 | 90.500 | 824,000 | 1,240,000 | 21.700 |
| 32334 | 170 | 360 | 128.000 | 1,300,000 | 1,760,000 | 59.500 |
Typical Applications
The 32300 series is specified wherever maximum load capacity within the metric tapered roller range is required.
Rolling mills and steel industry
Rolling mill stand bearings, coiler and decoiler shaft bearings, heavy steel processing drives
Heavy mining equipment
Primary crusher drive shafts, ball mill pinion bearings, large conveyor gearbox output shafts
Large industrial gearboxes
High-reduction speed reducer shafts, large mill drive gearboxes
Heavy off-highway drivetrains
Final drive gearboxes for mining trucks, heavy construction equipment main drives
Need 32300 series bearings?
Contact us for pricing across 32304–32334. We can advise on 32200 versus 32300 selection for your specific load case.
GBC-supplied 32300 series metric tapered roller bearings, 32304 to 32334, d 20–170 mm. Highest load in the metric tapered roller range. ISO 355 / DIN 720
MOQ: 50 pcs. Minimum order value USD 1,500; mixed orders and trial quantities welcome.
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