Koyo 2310-2RS Self-Aligning Ball Bearing 50x100x37mm
Product Parameters
| Inner Diameter | 50 mm |
| Outer Diameter | 110 mm |
| Thickness | 27 mm |
Description
Self-aligning ball bearings 2310-2RS to 2312-2RS, suitable for textile machinery. Sealed with rubber seals on both sides for reliable performance and long service life. Made by Koyo, Timken, NACHI.
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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
| Bore Diameter | 70 mm |
| Outer Diameter | 125 mm |
| Thickness | 31 mm |
| Self-Aligning | Yes |
| Sealed Type | RS1 |
| Application | Automobiles |
Overview
The Koyo Timken 1214 Etn9 2214 2214 E2RS1tn9 is a self-aligning ball bearing designed for automotive applications, offering reliable performance with sealed protection against contaminants.
Product Parameters
| Bore Diameter | 40 mm |
| Outer Diameter | 80 mm |
| Thickness | 23 mm |
| Dynamic Load Rating | 17.5 kN |
| Static Load Rating | 7.1 kN |
| Max Speed (Grease) | 7500 rpm |
Description
Self-aligning ball bearings 1208K suitable for woodworking machinery, ensuring smooth and reliable operation under high-speed conditions.
Product Parameters
| Model NO. | 2305 |
| Quality | P0, P6, P5, P4, P2, Z1V1, Z2V2, Z3V3 |
| Sealling Way | Dual Seals & Triple Lips Seals & F Seals |
| Application | Motor, Motorcycle, Automobile |
| Product Material | Gcr15 Bearing Steel |
Product Introduction
This aligning bearing with model 2305 is made of Gcr15 bearing steel. It features multiple quality grades and sealing ways, suitable for motor, motorcycle and automobile applications.
Product Parameters
| Inner Diameter | 30 mm |
| Outer Diameter | 62 mm |
| Thickness | 16 mm |
Description
NTN NSK Koyo 1206K 1207 1207K self-aligning ball bearing designed for motorcycles, ensuring smooth operation and reliable performance under variable loads and misalignment conditions.
Product Parameters
| Bore Diameter | 70 mm |
| Outer Diameter | 125 mm |
| Thickness | 24 mm |
| Model | 1215 |
| Brand | NSK/Koyo |
| Type | Self-Aligning Ball Bearing |
Description
Precision self-aligning ball bearing suitable for papermaking machines. Features durable NSK/Koyo design with reliable performance under high-speed and misaligned conditions.
Specifications
| Bore Diameter | 90 mm |
| Outer Diameter | 160 mm |
| Thickness | 40 mm |
| Ball Bearing Type | Self-Aligning |
| Model Numbers | 1218, 1218K, 2218, 2218K, 1318, 1318K |
Description
High-performance self-aligning ball bearing designed for smooth operation and durability. Suitable for various industrial applications requiring reliable radial load support and misalignment tolerance.
Product Parameters
| Model NO. | 1310, 2303, 2304, 2305 |
| Quality | P0, P6, P5, P4, P2, Z1V1-Z3V3 |
| Material | Gcr15 Bearing Steel |
| Sealing | Dual Seals, Triple Lips Seals, F Seals |
| Application | Motor, Motorcycle, Automobile |
| Type | Aligning Bearing (15° Contact Angle) |
Product Introduction
High-quality aligning bearings with Gcr15 steel construction, available in multiple models (1310, 2303-2305) and precision grades (P0-P2, Z1V1-Z3V3). Features versatile sealing options and 15° contact angle, suitable for motors, motorcycles, and automobiles. Brand options include NSK, NTN, TIMKEN, NACHI.
Specifications
| Bore Diameter | 60 mm |
| Outer Diameter | 110 mm |
| Thickness | 28 mm |
| Dynamic Load Capacity | 34.0 kN |
| Static Load Capacity | 12.0 kN |
| Max Speed (Grease) | 4000 rpm |
Overview
Self-aligning ball bearings from NTN, NSK, and Koyo models 2212 to 2214 designed for woodworking machinery. These bearings accommodate misalignment and provide reliable performance under moderate radial loads with low maintenance needs.
Product Parameters
| Bore Diameter | 50 mm |
| Outer Diameter | 90 mm |
| Thickness | 27 mm |
| Model | 1210 / 1210K / 1211 / 1211K |
| Brand | NTN, NSK |
| Type | Self-Aligning Ball Bearing |
Introduction
High-quality self-aligning ball bearings designed for mining machinery applications. Ensures smooth operation under misalignment and heavy loads.
Specifications
| Bore Diameter | 40 mm |
| Outer Diameter | 80 mm |
| Thickness | 26 mm |
| Bearing Type | Self-Aligning Ball Bearing |
| Model Numbers | 1208, 1208K, 1209, 1209K |
Description
High-quality self-aligning ball bearing suitable for metallurgical machinery. Ensures smooth operation and reliable performance under demanding conditions.
Specifications
| Bore Diameter | 25 mm |
| Outer Diameter | 52 mm |
| Thickness | 18 mm |
| Self-Aligning | Yes |
| Type | Ball Bearing |
| Application | Mining Machinery |
Description
High-performance self-aligning ball bearing designed for mining machinery. Ensures smooth operation under misalignment and heavy loads, compatible with Koyo, Timken, NACHI standards.
Specifications
| Inside Diameter | 85 mm |
| Outside Diameter | 150 mm |
| Thickness | 36 mm |
| Bearing Type | Self Aligning Ball Bearing |
| Material | Chrome Steel |
| Applicable Industries | Textile Machinery |
Introduction
High-quality self-aligning ball bearings designed for textile machinery applications. Compatible with Koyo, Timken, and NACHI models 1317K, 1318K, and 1319K. Ensures smooth operation and reliability under demanding conditions.


