• ABOUT US
    |
  • TESTIMONIALS
    |
  • STORE
    |
  • CLEARANCE
    |
  • TOP RATED +
888

HIGH QUALITY

Major Brands, Trusted Manufacturers

FAST SHIPPING

Orders shipped out same day, expedited delivery 

LOW PRICES

The most competitive pricing, guaranteed

SKF 6308YC78 Bearing Open 40x90x23 mm 6308-P5 6308-Y-C78 M308K Deep Groove

What this part is:

SKF 6308 YC78 is an open single row deep groove ball bearing in the 63 medium series with a pressed brass cage. Bore Diameter: 40 mm. Outside Diameter: 90 mm. Width: 23 mm. Closure Type: Open. Unit Quantity: 1 Pc.

Decoding the designation:

63 — deep groove ball bearing, medium 03 series.

08 — bore code, 08 x 5 = 40 mm.

Y — pressed brass window cage.

Specifications:

Bore Diameter: 40 mm. Outside Diameter: 90 mm. Width: 23 mm. Rolling Elements: Ball. Number Of Rows: 1. Cage Material: Pressed brass. Closure Type: Open. Bore Type: Straight. Series: 6300. Unit Quantity: 1 Pc.

Dimensions and mounting:

Bore Diameter: 40 mm. Outside Diameter: 90 mm. Width: 23 mm. ISO 6308 envelope, straight bore.

Compatibility and replacement:

Same ISO 6308 envelope as NTN 6308, FAG 6308, Koyo 6308 and NSK 6308 open deep groove ball bearings; those standard 6308 bearings have no Y brass cage. Carton and listing markings include 6308-Y-C78 and MRC M308K. MPN Variants: 6308YC78, 6308 YC78, 6308-Y-C78, 6308-P5, M308K.

Frequently asked questions:

What size is the 6308 bearing?

40 mm bore, 90 mm outside diameter, 23 mm width.

What does the Y suffix mean?

A pressed brass cage.

Is this bearing sealed?

No, it is an open bearing.

Fast, reliable MRO solutions when you need them most.

  • Large In-Stock Inventory: New industrial, bearings, power transmission, and automation parts.

  • Same-Day Shipping: Orders ship quick with next-day and international options available.

  • Expert Support: Cross-referencing and part location ensuring you get the exact match, fast.

  • Direct Pricing: Get new OEM components at highly competitive rates.

MESSAGE US

Choose your shipping speed; next-day and expedited options are available at checkout.

Handling Time: Orders are processed and shipped the same day.

International shipping available on all orders. 

Ship on your account, collect shipping accepted (UPS, FedEx, DHL, Freight). 

Competitive prices are guaranteed.

The following payment methods are offered at checkout on eBay.com:

  • PayPal / PayPal Credit
  • Credit card or debit card 
  • Apple Pay
  • Google Pay
  • Venmo
  • Klarna
  • Alipay
  • Spendable funds
  • Payment upon pickup
  • Wire transfer facilitated by eBay (select categories only)
  • eBay gift card or eBay voucher or eBay Bucks

Free returns: accepted within 30 days

Return options: money back, replacement

Refer to eBay Return policy for more details.

You are covered by the eBay Money Back Guarantee if you receive an item that is not as described in the listing.

We can instantly Cross-Reference:

  • Bearings
  • Power Transmission Parts
  • Hydraulic / Pneumatic
  • MRO Products
  • PLC / Electromechanical
  • Most Industrial Supplies

To any direct interchanges, alternate parts, equivalents, substitutes 

International shipping is available on all items.

eBay international shipping is fast, reliable, inexpensive.

We can ship using your carrier account.

Expedited, express, next-day shipping available on international shipments.

All of our parts are from:

Distributors

Manufacturers

OEMs

Industrial Plants

We take great care to source all of our parts from trusted and reliable inventory holders.

We ship out 99% of orders the same day.

All orders placed before 6pm EST are processed same day.

No handling charge on any orders.

We hope you will love your purchase, however if you need to return it, we have a 60 day return policy.

FEATURED PRODUCTS

NTN 6211LLUC3 Bearing Rubber Seals 55x100x21 mm 6211 LLU LU C3 2AS 6211LU

NTN 6211LLUC3 Bearing Rubber Seals 55x100x21 mm 6211 LLU LU C3 2AS 6211LU

$35.77
Fafnir 2MM9104WI-DUL Bearing 20x42x12 mm 7004-C 2MM-9104-WI-CR-DUL-C1 2 Pcs

Fafnir 2MM9104WI-DUL Bearing 20x42x12 mm 7004-C 2MM-9104-WI-CR-DUL-C1 2 Pcs

$34.56
FAG 32005X.P5 Tapered Roller Bearing Cone & Cup 25x47x15 mm P5 Precision

FAG 32005X.P5 Tapered Roller Bearing Cone & Cup 25x47x15 mm P5 Precision

$28.95
SNR 6307ZZJ30 Bearing Metal Seals 35x80x21 mm 6307-ZZ 6307ZZ 6307Z 2 pcs

SNR 6307ZZJ30 Bearing Metal Seals 35x80x21 mm 6307-ZZ 6307ZZ 6307Z 2 pcs

$33.15
NSK 6011DDUC3 Deep Groove Ball Bearing 55x90x18 mm 6011-2RS-C3 6011RS-C3 2 Pcs

NSK 6011DDUC3 Deep Groove Ball Bearing 55x90x18 mm 6011-2RS-C3 6011RS-C3 2 Pcs

$37.19
National 3585 Tapered Roller Bearing Cone 1-5/8" Bore 1.216" Wide Timken 3585

National 3585 Tapered Roller Bearing Cone 1-5/8" Bore 1.216" Wide Timken 3585

$34.14
MRC 210FFS Bearing Metal Sealed 210 FFS 50mmx90mmx1-3/16"

MRC 210FFS Bearing Metal Sealed 210 FFS 50mmx90mmx1-3/16"

$33.23
INA ZL5204DRS Bearing 52x20mm OD 20.5x44mm W ZL5204-DRS ZL-5204-DRS

INA ZL5204DRS Bearing 52x20mm OD 20.5x44mm W ZL5204-DRS ZL-5204-DRS

$32.94
SKF 22210 CK Spherical Roller Tapered Bore 50x90x23 mm 22210-CKY 22210-CC-Y

SKF 22210 CK Spherical Roller Tapered Bore 50x90x23 mm 22210-CKY 22210-CC-Y

$37.71
Timken 344A Tapered Roller Bearing Cone 1.575" 40 mm ID 344-A 1 Pc

Timken 344A Tapered Roller Bearing Cone 1.575" 40 mm ID 344-A 1 Pc

$34.40
FAG 6210T.P6 Deep Groove Ball Bearing 50x90x20 mm Phenolic Cage P6 6210-T-P6

FAG 6210T.P6 Deep Groove Ball Bearing 50x90x20 mm Phenolic Cage P6 6210-T-P6

$34.75
Timken 592 Tapered Roller Bearing Cup Race 6 in OD 1-5/16 in Width

Timken 592 Tapered Roller Bearing Cup Race 6 in OD 1-5/16 in Width

$28.35
Add suggested items to your listings - Check it out on 3Dsellers.com
eBay listing template by 3Dsellers.com - Try for Free!