Bearings - Single Row Ball - Unflanged - Semi Ground

Bearings -> Single Row Ball -> Unflanged -> Semi Ground

There are 3 products in the sub-categories of Bearings - Single Row Ball - Unflanged - Semi Ground. Browse the Bearings - Single Row Ball - Unflanged - Semi Ground products table.

Category Details

A selection of Semi Ground Unflanged Single Row Ball Bearings. Radial ball bearings. This series is precision ground on all contact surfaces except the bore. Recommended for lighter loads and maximum speed of 3000rpm. Bore tolerance is +0.127/-0.000, OD tolerance is +0.000/-0.013 and width is +0.000/-0.127

  • Single row radial ball bearings are arguably the most common, widely used type of bearing. They consist of an inner ring, an outer ring, a set of balls, and a cage that retains the balls in a circular path.
  • Single row radial ball bearings are commonly used in a wide range of applications, including electric motors, fans, pumps, gearboxes, agricultural equipment, appliances, and automotive components.
  • They are versatile, cost-effective bearings that provide reliable support for radial loads and some axial loads in one direction. An expanded range may be available on special order. Please enquire.

Small Parts & Bearings

Additional resources:


A more comprehensive listing may be found in the Bearings - Single Row Ball - Unflanged - Semi Ground category on the MBA Minibearings main store.
ID (d) OD (D) Width (A) Inner Ring Width (Bn) Flange Diameter (DF) Flange Width (BF) Indicative
Image
Single Row Ball Bearings - 12.7x28.575x9.525 mm Unflanged - Carbon Steel Semi-Ground Bearing
ID (d)
12.700
mm
+ 0.127 / - 0.000
(Equiv. 0.5 in.)
OD (D)
28.575
mm
+ 0.000 / - 0.013
(Equiv. 1.125 in.)
Width (A)
9.525
mm
+ 0.000 / - 0.127
(Equiv. 0.375 in.)
Single Row Ball Bearings - 12.7x28.575x9.525 mm - Carbon Steel Semi-Ground
Material: Carbon Steel Semi-Ground    Radius (R): 0.889 mm    Dynamic Load: 272 Kg    Static Load: 215 Kg   
Non ISO Width
Part Number: R8H-2RS-SG (Each)
13 Available Now | Further orders can be expected around Mon, Jan 19, 2026
$27.32 AUD
$32.78 AUD $27.32 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Larger quantities than the 13 available can be backordered.
ID (d) OD (D) Width (A) Inner Ring Width (Bn) Indicative
Image
Single Row Ball Bearings - 12.7x28.575x9.525 mm Unflanged - Carbon Steel Semi-Ground Bearing
ID (d)
12.700
mm
+ 0.127 / - 0.000
(Equiv. 0.5 in.)
OD (D)
28.575
mm
+ 0.000 / - 0.013
(Equiv. 1.125 in.)
Width (A)
9.525
mm
+ 0.000 / - 0.127
(Equiv. 0.375 in.)
Single Row Ball Bearings - 12.7x28.575x9.525 mm - Carbon Steel Semi-Ground
Material: Carbon Steel Semi-Ground    Radius (R): 0.889 mm    Dynamic Load: 272 Kg    Static Load: 215 Kg   
Non ISO Width
Part Number: R8H-2RS-SG (Each)
13 Available Now | Further orders can be expected around Mon, Jan 19, 2026
$27.32 AUD
$32.78 AUD $27.32 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

13 Available Now. Backorder if more than 13.
Single Row Ball Bearings - 15.875x34.925x11.113 mm Unflanged - Chrome Steel Bearing
ID (d)
15.875
mm
+ 0.127 / - 0.000
(Equiv. 0.625 in.)
OD (D)
34.925
mm
+ 0.000 / - 0.013
(Equiv. 1.375 in.)
Width (A)
11.113
mm
+ 0.000 / - 0.127
(Equiv. 0.438 in.)
Single Row Ball Bearings - 15.875x34.925x11.113 mm - Chrome Steel
Material: Chrome Steel    Radius (R): 0.889 mm    Dynamic Load: 426 Kg    Static Load: 386 Kg   
Non ISO Width
Part Number: R10D-ZZ-SG (Each)
4 Available Now | Further orders can be expected around Mon, Jan 19, 2026
$30.95 AUD
$37.15 AUD $30.95 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Larger quantities than the 4 available can be backordered.
Single Row Ball Bearings - 15.875x34.925x11.113 mm Unflanged - Chrome Steel Bearing
ID (d)
15.875
mm
+ 0.127 / - 0.000
(Equiv. 0.625 in.)
OD (D)
34.925
mm
+ 0.000 / - 0.013
(Equiv. 1.375 in.)
Width (A)
11.113
mm
+ 0.000 / - 0.127
(Equiv. 0.438 in.)
Single Row Ball Bearings - 15.875x34.925x11.113 mm - Chrome Steel
Material: Chrome Steel    Radius (R): 0.889 mm    Dynamic Load: 426 Kg    Static Load: 386 Kg   
Non ISO Width
Part Number: R10D-ZZ-SG (Each)
4 Available Now | Further orders can be expected around Mon, Jan 19, 2026
$30.95 AUD
$37.15 AUD $30.95 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

4 Available Now. Backorder if more than 4.
Single Row Ball Bearings - 15.875x41.275x12.7 mm Unflanged - Chrome Steel Bearing
ID (d)
15.875
mm
+ 0.127 / - 0.000
(Equiv. 0.625 in.)
OD (D)
41.275
mm
+ 0.000 / - 0.013
(Equiv. 1.625 in.)
Width (A)
12.700
mm
+ 0.000 / - 0.127
(Equiv. 0.5 in.)
Single Row Ball Bearings - 15.875x41.275x12.7 mm - Chrome Steel
Material: Chrome Steel    Radius (R): 0.889 mm    Dynamic Load: 590 Kg    Static Load: 458 Kg   
Deleted Item. Available while stocks last.
Part Number: R12620-ZZ-SG (Each)
1 Available Now | Item Discontinued - Up to 1 may be ordered online. No backorders. Please contact us if you need a larger quantity
$25.54 AUD
$57.66 AUD $25.54 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

1 Available Now. These are priced to quit. Please contact us for a quote if you require more.
Single Row Ball Bearings - 15.875x41.275x12.7 mm Unflanged - Chrome Steel Bearing
ID (d)
15.875
mm
+ 0.127 / - 0.000
(Equiv. 0.625 in.)
OD (D)
41.275
mm
+ 0.000 / - 0.013
(Equiv. 1.625 in.)
Width (A)
12.700
mm
+ 0.000 / - 0.127
(Equiv. 0.5 in.)
Single Row Ball Bearings - 15.875x41.275x12.7 mm - Chrome Steel
Material: Chrome Steel    Radius (R): 0.889 mm    Dynamic Load: 590 Kg    Static Load: 458 Kg   
Deleted Item. Available while stocks last.
Part Number: R12620-ZZ-SG (Each)
1 Available Now | Item Discontinued - Up to 1 may be ordered online. No backorders. Please contact us if you need a larger quantity
$25.54 AUD
$57.66 AUD $25.54 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

1 Available Now. These are priced to quit. Please contact us for a quote if you require more.