Factory Price Four Row Cylindrical Roller Bearings BC4 Series high precision durable for heavy machinery industrial equipment ensuring stable rotation and long service life at competitive factory prices
Product Introduction
High-quality bearings with outer dimensions in Medium and Large (120-190mm) range, made of durable Bearing Steel. Features separated design, Brass/Steel cages, and 60-64 HRC hardness for reliable performance. Available from trusted trademarks KOYO, NTN, NSK, TIMKEN with origin in Japan and USA.
Product Parameters
| Model NO. | BC4-0093, BC4-0101, BC4-0105, BC4-0096, BC4-0103 |
| Material | Bearing Steel |
| Load Direction | Axial Bearing |
| Clearance | C0, C2, C3, C4, C5 |
| Hardness | 60-64 HRC |
| Trademark | KOYO, NTN, NSK, TIMKEN |
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- Size Guide
Size Guide
DRESSEST-SHIRTBOTTOMSDRESSESSize Chest Waist Hips XS 34 28 34 S 36 30 36 M 38 32 38 L 40 34 40 XL 42 36 42 2XL 44 38 44 All measurements are in INCHES
and may vary a half inch in either direction.
T-SHIRTSize Chest Waist Hips 2XS 32 26 32 XS 34 28 34 S 36 30 36 M 38 32 38 L 40 34 40 XL 42 36 42 All measurements are in INCHES
and may vary a half inch in either direction.
BOTTOMSSize Chest Waist Hips XS 34 28 34 S 36 30 36 M 38 32 38 L 40 34 40 XL 42 36 42 2XL 44 38 44 All measurements are in INCHES
and may vary a half inch in either direction.
- Delivery & Return
Delivery
Store delivery FREE
1-3 working days
Home or collection point from £35.00 FREE
On all your orders for home or collection point delivery
Returns
Return
We will accept exchanges and returns of unworn and unwashed garments within 30 days of the date of purchase (14 days during the sales period).
Returns in store FREE
Your return will usually be processed within a week to a week and a half. We’ll send you a Return Notification email to notify you once the return has been completed. Please allow 1-3 business days for refunds to be received to the original form of payment once the return has been processed.
- Ask a Question
Basic Info.
WHY KOYOSKF BEARINGS
In order to supply even more stable quality to our vast customers, we established a factory in Liao Cheng city,Shandong province.
Beside standard specifications, we also provide the customized service.Welcome all of customers visit our factory . We look forward to establishing a good long-termbusiness relationship with you.
KOYOSKF Bearing Manufacturer Show
In addition to our own production of bearings, bearing manufacturers, we have established as many as 600 partnerships; if there is a demand in the world, we will purchase to meet the needs of different customers.
FAQ
Frequently Asked Questions
Yes—we customize size, material, precision, or branding per your needs. Samples are provided for confirmation before mass production.
- Our products hold ISO 9001, TS 16949, and DIN/SAE certifications. We conduct strict inspections from raw materials to pre-shipment.
Standard lead time: 15–30 working days. Urgent orders can be expedited to 7–15 days (subject to feasibility).
All products come with a 12–24 month warranty. We offer free replacement/repair for quality issues, with 24-hour response.
We support T/T (30% deposit + 70% balance), L/C, and PayPal (small orders). Transactions are secured via trusted channels.
MOQ varies by product type—starting from 100 units for standard items. Flexible MOQ for long-term partners or customized orders.
WHAT OUR CLIENTS SAY
James Cooper
KOYO bearings are durable and precise; their stable performance cuts our downtime greatly, and your reliable supply wins our trust.
Lisa Morgan
KOYO bearings boast excellent quality; their long service life reduces our replacement costs, and your professional service makes cooperation smooth.
Mike Wilson
KOYO bearings run steadily and well; their high precision fits our equipment perfectly, and your on-time delivery never lets us down.
Emma Clark
KOYO bearings are top-grade and reliable; their anti-wear feature boosts efficiency, and your thoughtful after-sales support gives us reassurance.
John Smith
KOYO bearings exceed our expectations; their sturdy quality adapts to heavy work, and your consistent supply secures our production.
Anna White
KOYO bearings are premium and durable; their stable operation meets strict demands, and your sincere service makes us a steady partner.
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Specifications
| Inner Diameter | 90 mm |
| Outer Diameter | 160 mm |
| Thickness | 42.25 mm |
Introduction
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Product Introduction
NU2309ECP is a high-quality bearing with outer dimensions in the small and medium-sized range (60-115mm), constructed from durable bearing steel with a hardness of 60-64 HRC. It features separated design and offers multiple clearance options (C0 C2 C3 C4 C5), suitable for various industrial applications. Available with brass or steel cages and vibration grades Z1V1 Z2V2 Z3V3, ensuring reliable performance.
Product Parameters
| Model NO. | NU2309ECP |
| Material | Bearing Steel |
| Outer Dimension | Small and Medium-Sized (60-115mm) |
| Load Direction | Axial Bearing |
| Clearance | C0 C2 C3 C4 C5 |
| Cage | Brass, Steel |
Product Parameters
| Model | Deep Groove Ball Bearing |
| Dimensions | Medium and Large(120-190mm) |
| Material | Bearing Steel |
| Features | Long Life, High Speed, Low Noise |
| Precision | P0 P6 P5 P4 |
| Seals Type | Open/Zz/2RS |
Product Introduction
High-quality deep groove ball bearing with medium and large dimensions (120-190mm). Made of durable bearing steel, featuring long life, high speed and low noise. Available in precision grades P0-P4 and seal types Open/Zz/2RS. Ideal for various industrial applications requiring reliable performance.
Specifications
| Inner Diameter | 45 mm |
| Outer Diameter | 100 mm |
| Thickness | 25 mm |
Overview
Premium cylindrical roller bearing offering high precision and durability. Model variants include N309, NU309, NF309, NJ309, and NUP309, suitable for demanding industrial applications with reliable performance under radial loads.
Specifications
| Bore Diameter | 35 mm |
| Outer Diameter | 72 mm |
| Width | 28.75 mm |
| Dynamic Load Rating | 64.0 kN |
| Static Load Rating | 79.5 kN |
| Speed (rpm) | 5600 |
Introduction
The Bdl Rolling Mill Bearing 32207 is a tapered roller bearing designed for high load capacity and durability in demanding industrial applications. It ensures smooth operation and long service life under heavy radial and axial loads.
Product Parameters
| Model NO. | F-201872 |
| Material | Bearing Steel |
| Outer Dimension | Small and Medium-Sized (60-115mm) |
| Load Direction | Axial Bearing |
| Hardness | 60-64 HRC |
| Trademark | KOYO, NTN, NSK, TIMKEN |
Introduction
This high-quality axial bearing (Model F-201872) features bearing steel construction with 60-64 HRC hardness, ensuring durability. Suitable for small and medium applications (60-115mm outer dimension), it comes from trusted brands like KOYO, NTN, NSK, TIMKEN. Ideal for various industrial uses with reliable performance.
Product Parameters
| Model NO. | NJ305, NJ305M, NJ305E, NJ305EM, NJ305ETN, NJ305EF |
| Material | Bearing Steel (60-64 HRC) |
| Outer Dimension | Medium and Large (120-190mm) |
| Load Direction | Axial Bearing |
| Clearance | C0, C2, C3, C4, C5 |
| Trademark | KOYO, NTN, NSK, TIMKEN |
Introduction
High-quality axial bearings with separated design, featuring bearing steel construction (60-64 HRC hardness). Available in medium/large sizes (120-190mm) with multiple clearance options (C0-C5). Equipped with brass/steel cages and vibration grades Z1V1-Z3V3. Originating from Japan/USA, suitable for industrial applications.
Product Introduction
High-quality NU311E.M1A.C4 bearing made of Bearing Steel with 60-64 HRC hardness. Features separated design, medium-large outer dimension (120-190mm), and options for brass/steel cage. Suitable for various industrial applications with reliable performance.
Product Parameters
| Model NO. | NU311E. M1A. C4 |
| Material | Bearing Steel |
| Outer Dimension | Medium and Large(120-190mm) |
| Load Direction | Axial Bearing |
| Separated | Separated |
| Hardness | 60-64 HRC |
Product Introduction
High-quality bearing with model SL185024PP, crafted from durable Bearing Steel (60-64 HRC). Suitable for various applications, featuring separated design and multiple clearance options (C0 C2 C3 C4 C5). Available with Brass or Steel cages and vibration grades Z1V1 Z2V2 Z3V3, ensuring reliable performance. Originating from Japan and USA, produced by trusted brands KOYO, NTN, NSK, TIMKEN.
Product Parameters
| Model NO. | SL185024PP |
| Material | Bearing Steel |
| Load Direction | Axial Bearing |
| Separated | Separated |
| Clearance | C0 C2 C3 C4 C5 |
| Origin | Japan, USA |
Product Introduction
High-quality bearings with long life, high speed, and low noise performance. Made of bearing steel with precision levels P0-P4, suitable for various industrial applications requiring reliable load handling and smooth operation.
Key Specifications
| Model | bearing |
| Material | Bearing Steel |
| Outer Dimension | Medium and Large(120-190mm) |
| Feature | Long Life, High Speed, Low Noise |
| Precision | P0 P6 P5 P4 |
| Seals Type | Open/Zz/2RS |
Product Parameters
| Model NO. | NU2210-E-XL-M1 |
| Material | Bearing Steel |
| Outer Dimension | Small and Medium-Sized (60-115mm) |
| Load Direction | Axial Bearing |
| Clearance | C0 C2 C3 C4 C5 |
| Cage | Brass, Steel |
Introduction
This high-quality bearing features a hardness of 60-64 HRC and is available with various clearances (C0-C5) and cages (Brass/Steel). Suitable for diverse applications, it offers reliable performance with vibration grades Z1V1-Z3V3. Originating from Japan/USA, it comes in multiple transport packages and ensures durability with its separated design and bearing steel construction.
Specifications
| Bore Diameter | Inner dimension for shaft mounting |
| Outer Diameter | External measurement for housing fit |
| Thickness | Width across the bearing face |
Description
Premium single row NU cylindrical roller bearing designed for high precision and durability in demanding applications. Supports radial loads with low friction and excellent rotational stability. Ideal for industrial machinery requiring reliable performance.













