Sorry, online purchases are not available in your country.
Confirmation
Do you really want to delete this item(s) from your shopping cart?
Close

Managing quotes online is only available to users with corporate accounts. You can still request a quote, but it will be emailed to you.

Request Quote

Upgrade to a corporate account for advanced options and personal service.

ATTENTION
Attention
  • BDI’s Warehouse Store is a limited catalog featuring only stocked items, priced exclusively for self-service online purchases made within the BDI Warehouse Store.

  • Pricing shown is available ONLY in the Warehouse Store and NOT from BDI Branch offices.

  • All sales are taxable (no tax free purchases) and payable by credit card. They cannot be charged to your BDI account.

  • All orders include a $5 ground shipping charge.

  • To purchase with your BDI account, please click Cancel.
  
ATTENTION
Attention
Soon you will not be able to run BDIExpress with Internet Explorer.

Microsoft is discontinuing support for the Internet Explorer web browser and obsoleting it. Microsoft is recommending switching to Microsoft Edge.



Or click below to download another browser 
 

123 Items found

Refine by

Current selections:
Category: Precision Ball Bearings
Width - Millimeter: 21.0
categories
brand
enclosure
number of bearings
precision class
Need help?
905-238-3392 Distribution Center  | 

INDICATES Contract Pricing

Page 1 of 25

Next

Compare
6307TBR12P4

COMPARE

6307TBR12P4

Description
6307TBR12P4 PRECISION DEEP GRV BALL BRG ; 35MM BORE 80MM OD 21MM W 1-ROW

RHP BEARING

Part # 6307TBR12P4

BDI # 1186771

Features

Enclosure: Open
Material - Ball: Steel
Inch - Metric: Metric
Outside Diameter - Inch: 3.15
Flush Ground: No

Contact Angle: 0 Degree
Other Features: Single Row | Deep Groove | Special Clearance | 1 Piece Inner Ring Centered
Cage Material: Phenolic
Number of Bearings: 1 (Single)
Raceway Style: Not Applicable

Price Inventory : In stock
QTY
MM307KCR

COMPARE

MM307KCR

Description
MM307KCR PRECISION BALL BEARING

TIMKEN

Part # MM307KCR

BDI # 1366778

Features

Enclosure: Open
Material - Ball: Steel
Inch - Metric: Metric
Outside Diameter - Inch: 3.15
Flush Ground: No

Contact Angle: 0 Degree
Other Features: Single Row | Deep Groove | Super Precision | Conrad | Non Filling Slot
Cage Material: Phenolic
Number of Bearings: 1 (Single)
Raceway Style: Not Applicable

Price Inventory : Available to order
QTY
71903 ACD/P4ATBTB

COMPARE

71903 ACD/P4ATBTB

Description
71903 ACD /P4ATBTB ANG CONTACT BALL BRG ; NON-RETURNABLE SINGLE AND MATCHED SET

SKF

Part # 71903 ACD/P4ATBTB

BDI # 1268441

Features

Enclosure: Open
Material - Ball: Steel
Inch - Metric: Metric
Outside Diameter - Inch: 1.181
Flush Ground: Yes

Contact Angle: 25 Degree
Other Features: Single Row | Angular Contact | High Precision
Cage Material: Phenolic
Number of Bearings: 3 (1 Triplex Set)
Raceway Style: 1 Rib Outer Ring

Price Inventory : Available to order
QTY
71902 ACD/P4ATBTB

COMPARE

71902 ACD/P4ATBTB

Description
71902 ACD /P4ATBTB ANG CONTACT BALL BRG ; NON-RETURNABLE SINGLE AND MATCHED SET

SKF

Part # 71902 ACD/P4ATBTB

BDI # 1268732

Features

Enclosure: Open
Material - Ball: Steel
Inch - Metric: Metric
Outside Diameter - Inch: 1.102
Flush Ground: Yes

Contact Angle: 25 Degree
Other Features: Single Row | Angular Contact | High Precision
Cage Material: Phenolic
Number of Bearings: 3 (1 Triplex Set)
Raceway Style: 1 Rib Outer Ring

Price Inventory : Available to order
QTY
71807 ACD/P4TBTL

COMPARE

71807 ACD/P4TBTL

Description
71807 ACD /P4TBTL ANG CONTACT BALL BRG ; NON-RETURNABLE SINGLE AND MATCHED SET

SKF

Part # 71807 ACD/P4TBTL

BDI # 1264922

Features

Enclosure: Open
Material - Ball: Steel
Inch - Metric: Metric
Outside Diameter - Inch: 1.85
Flush Ground: Yes

Contact Angle: 25 Degree
Other Features: Single Row | Angular Contact | Super Precision | High Capacity Basic Design | Annular Groove With Two Lubrication Holes On The Non-Thrust Side Of The Outer Ring And Two Annular Grooves Fitted With O-Rings In The Outer Ring
Cage Material: Phenolic
Number of Bearings: 3 (1 Triplex Set)
Raceway Style: 1 Rib Outer Ring

Price Inventory : Available to order
QTY

© copyright 2025 BDI All Rights Reserved