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| Categories | Automotive Bearings |
|---|---|
| Model Number: | HTFB31-13E |
| Speedrating: | Up to 30,000 RPM |
| Certifiion: | ISO9001/ISO14001/GJB9001 |
| Supply Ability: | 1000.pcs / Month |
| Tolerance: | / |
| Price: | negotiation |
| Outer Diameter: | 130 mm |
| Brand Name: | GQZ |
| Seal Type: | Open |
| Delivery Time: | 5 working days |
| MOQ: | 100.PCS |
| Productname: | Automotive Bearings |
| Payment Terms: | T/T,Paypal |
| Packaging Details: | Standard Carton Box |
| Certification: | ISO 9001:2015 |
| Mass: | 0.39kg |
| Place of Origin: | CHINA |
| Loadtype: | Radial Load, Axial Load, Combined Load |
| Company Info. |
| Wuxi Guangqiang Bearing Trade Co.,Ltd |
| Verified Supplier |
| View Contact Details |
| Product List |
HTFB31-13E non-standard open deep groove ball bearing, dimension 31mm bore × 76mm outer diameter × 13mm width, HTFB dedicated transmission series with E upgraded precision tolerance. Open design without rubber seals, equipped with stamped steel cage and standard C0 clearance. It bears radial load and slight bidirectional axial load, operates stably and low-noise under long-term high-speed shifting vibration. Made of fully quenched high-purity GCr15 chrome steel with tighter dimensional tolerance, fully interchangeable with original OEM HTFB31-13E. Complete formal quotation will be provided within 24 hours upon inquiry.
Passenger car automatic gearbox auxiliary & intermediate shafts, small CVT transmission assemblies, light commercial vehicle reducers, mini agricultural machinery transmission components.
| Model | HTFB31-13E Open Deep Groove Ball Bearing |
|---|---|
| Inner bore d | 31 mm |
| Outer diameter D | 76 mm |
| Width B | 13 mm |
| Seal structure | Open type, oil lubrication only |
| Cage | Stamped low carbon steel cage |
| Internal clearance | C0 standard clearance, C3 optional |
| Material | High-purity GCr15 chrome bearing steel |
| Basic dynamic load | 28.6 kN |
| Basic static load | 18.5 kN |
| Max oil lubrication limiting speed | 4800 r/min |
| Net weight | 0.32 kg |
| Working temperature range | -20℃ ~ +130℃ |
| Accuracy grade | P0 standard, P6 customizable |
| Cross reference | HTFB31-13E, B31-13 |
Dimension drawings and technical spec sheets can be provided on request.
25+ years professional manufacturer of HTFB series non-standard automotive gearbox bearings. All finished bearings pass high-speed continuous rotation test, shock load test and long-cycle fatigue durability test before delivery. Support customized anti-rust surface coating and special high-temperature gearbox lubricant filling service. One-on-one professional installation technical guidance and formal quotation within 24h for all RFQs. Stable mass production capacity satisfies bulk OEM and global distributor orders, factory direct selling price, stable consistent quality and punctual batch delivery.
All HTFB31-13E bearings pass multi-process strict factory inspection.
Send bulk inquiry for HTFB31-13E open high-precision transmission bearings and obtain the following support:
Large-volume OEM cooperation is welcome anytime.
Q1: What does suffix E stand for on HTFB31-13E?
A1: E represents upgraded tight tolerance standard, higher
geometric precision, specially designed for high matching
requirement automatic gearboxes.
Q2: Difference between open HTFB31-13E and rubber sealed bearings?
A1: Open design has no rubber seals, relies on circulating gear oil
for lubrication and heat dissipation for internal gearbox
positions; rubber sealed bearings apply to external dusty shafts
with grease lubrication.
Q3: Can HTFB31-13E replace original OEM bearings directly?
A3: Yes, inner bore, outer diameter and width dimensions are fully
consistent, no modification to gearbox components required during
replacement.
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