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Product Description
728kg · Cr 41,000N / Cor 51,000N · GCr15 / 52100 · Series Apex · Rolling Mills · Mining · TBM · Gearboxes
Parameter | Value |
Part Number | 3519/900 |
Cross Reference | 10979/900 |
Type | Double Row Tapered Roller Bearing |
Bore (d) | 900 mm |
OD (D) | 1180 mm |
Width (B) | 275 mm |
Weight | 728 kg |
Dynamic Load Rating (Cr) | 41,000 N |
Static Load Rating (Cor) | 51,000 N |
Material | GCr15 / AISI 52100 / 100Cr16 / SUJ2 / 683/XVIII / SKF3 |
Precision | ABEC-1/3/5/7/9 · DIN620 P0/P6/P5/P4/P2 |
Clearance | C0 / C2 / C3 / C4 / C5 |
Sealing | Open (standard) · 2RS / ZZ on request |
HS Code | 8482800000 |
Brand | Nexans Bearings |
The 3519/900 (10979/900) is the largest-bore bearing in the Nexans Bearings 3519 series — 900×1180×275mm, weighing 728kg. Both designations refer to the identical bearing — 3519/900 is the GB/ISO standard; 10979/900 is the alternative cross-reference.
The 3519/900 steps up from the 3519/800 (604kg) by +100mm bore, +120mm OD, +5mm width, +124kg — the largest single dimensional step in the series. At 900mm bore / 1180mm OD, this is not a standard catalog item for most suppliers.
Internal construction: double cup + two cones + optional spacer — separable, field-maintainable without special tools.
Industry | Typical Use | Selection Reason |
Steel & Rolling Mills | Backup roll necks, work roll necks, coiler mandrel shafts | Extreme combined load; shock under full rolling force |
Mining & Minerals | SAG/ball mill trunnions, gyratory crusher mainshafts | Severe contamination; extreme misalignment; impact loads |
Tunnelling Machinery | TBM cutter head main bearings, shield drive assemblies | Extreme axial thrust; contaminated environment; continuous operation |
Heavy Industrial Gearboxes | Large output shafts, multi-stage planetary reducers | Bidirectional axial load; maximum rigidity |
Hoisting & Offshore | Offshore crane slewing rings, drawworks, winch drums | High static load; cyclic combined load; corrosive environment |
Energy & Power Generation | Large wind turbine main shafts, hydro generator thrust bearings | Low-speed high-torque; extended maintenance intervals |
3519/800 | 3519/900 | |
Bore (d) | 800 mm | 900 mm (+100mm) |
OD (D) | 1060 mm | 1180 mm (+120mm) |
Width (B) | 270 mm | 275 mm (+5mm) |
Weight | 604 kg | 728 kg (+124kg) |
Cr / Cor | 41,000 / 51,000 N | 41,000 / 51,000 N |
The +100mm bore / +124kg step from 3519/800 to 3519/900 is the largest single step in the series. The two bearings are not interchangeable — always verify bore, OD, and width against your equipment drawing.
Part No. | Bore | OD | Width | Weight |
3519/530 | 530 mm | 710 mm | 243 mm | ~260 kg |
3519/560 | 560 mm | 750 mm | 213 mm | 235 kg |
3519/600 | 600 mm | 800 mm | 205 mm | 266 kg |
3519/630 | 630 mm | 820 mm | 242 mm | 368 kg |
3519/670 | 670 mm | 900 mm | 240 mm | 416 kg |
3519/710 | 710 mm | 950 mm | 240 mm | 445 kg |
3519/750 | 750 mm | 1000 mm | 264 mm | 499 kg |
3519/800 | 800 mm | 1060 mm | 270 mm | 604 kg |
3519/900(this) | 900 mm | 1180 mm | 275 mm | 728 kg |
Parameter | Value | Notes |
Dynamic Cr | 41,000 N | L10 fatigue life basis |
Static Cor | 51,000 N | Max load without permanent deformation |
Clearance | C0/C2/C3/C4/C5 | C3/C4 for impact / elevated temperature |
Lubrication | Grease or circulating oil | ISO VG 220–460 (mills/gearboxes); EP NLGI 2–3 (mining/TBM) |
Temperature | –30°C to +120°C | Heat-stabilized steel on request for extended range |
Certification | ISO9001 / IATF16949 | Material certs, dimensional reports, load rating reports per batch |
Q: 3519/900 vs 10979/900 — what's the difference?
Same bearing. 3519/900 = GB/ISO designation. 10979/900 = alternative cross-reference.
Q: How does the 3519/900 compare to the 3519/800?
+100mm bore, +120mm OD, +5mm width, +124kg. The largest single step in the series. Specified by shaft diameter — if your shaft is 800mm, see the 3519/800.
Q: What is the internal construction?
One double cup (outer ring, two raceways) + two cones (inner rings with roller/cage assemblies) + optional spacer. Separable — field-maintainable without special tools.
Q: Precision grade for rolling mill backup roll vs work roll?
Backup rolls: P0 / ABEC-1 — low speed, extreme radial load, dimensional accuracy priority. Work rolls: P6 / ABEC-3 or P5 / ABEC-5 — higher speed, surface finish and dimensional accuracy of rolled product. Confirm with your rolling mill OEM manual.
Q: Lubrication for TBM / tunnelling applications?
High-pressure, high-viscosity EP grease with water resistance and contamination exclusion — integrated into the TBM main bearing housing lubrication system. Grease specification confirmed against your TBM OEM requirements.
Q: Recommended clearance for mining / crusher applications?
C3 or C4 — accommodates thermal expansion and prevents preload under impact. C0 for standard gearbox service at ambient temperature. Confirm with your OEM equipment manual.
Q: What documentation is available?
GCr15 / AISI 52100 material certificates, dimensional inspection reports, dynamic and static load rating test reports, packing lists, commercial invoices, certificates of origin. ISO9001 / IATF16949 certified supply chain. SGS / BV / TÜV third-party inspection supported.
Q: MOQ and lead time?
MOQ: 1 piece for stock items. Lead time: 5–7 business days (stock); confirmed at order for made-to-order. FOB Qingdao / CIF / EXW. Full engineered wooden crating and heavy-lift documentation included at 728kg / 1180mm OD.
Q: OEM / private label available?
Yes — custom box artwork, laser-engraved logo on bearing ring, fully branded packaging. All IP rights belong to you. MOQ and pricing on request.
Website | |
+86-155-6283-9480 | |
Location | Liaocheng, Shandong, China |
