Collection: Balls
304 Products in this selection
Combined category including sub-categories of balls. These include rubber, metallic, plastic, bored, inspection, glass, ceramic, tooling, fixture, and checking.
Small Parts & Bearings
Additional resources:
Balls Master Catalogue PDF
AFBMA and ISO Ball Grades
A more comprehensive listing may be found on the MBA Minibearings main store at Balls.
Additional resources:
Balls Master Catalogue PDF
AFBMA and ISO Ball Grades
A more comprehensive listing may be found on the MBA Minibearings main store at Balls.
| Diameter (D) | Material | Precision | Hardness | Properties | Colour |
Indicative Image |
|---|---|---|---|---|---|---|
|
Diameter (D)
31.75
mm +/- 0.127
(Equiv. 1.25 in.) |
Material
PTFE
|
Precision
Grade 2
|
Hardness
68 Rockwell R
|
Properties
No water absorption. Temperatures up to 288 Deg C.
|
Colour
White
|
|
|
Material: PTFE
Specific Gravity: 2.3
Category: Balls - Plastic - PTFE |
||||||
|
Part Number: BL-03175-PTF (Each) Plastic Balls - 31.75 mm PTFE - Grade 2 Ball
Out of Stock | Backorder Now | Orders can be expected around Fri, Sep 18, 2026 Regular price
$122.32 AUD
Regular price
Unit price
/
per
Each
|
||||||
| Diameter (D) | Material | Precision | Hardness |
Indicative Image |
||
|
Diameter (D)
31.75
mm +/- 0.127 (Equiv. 1.25 in.) |
Material
PTFE
|
Precision
Grade 2
|
Hardness
68 Rockwell R
|
|
||
|
Material: PTFE
Properties: No water absorption. Temperatures up to 288 Deg C.
Colour: White
Specific Gravity: 2.3
Category: Balls - Plastic - PTFE |
||||||
|
Part Number: BL-03175-PTF (Each) Plastic Balls - 31.75 mm PTFE - Grade 2 Ball
Out of Stock | Backorder Now | Orders can be expected around Fri, Sep 18, 2026 Regular price
$122.32 AUD
Regular price
Unit price
/
per
Each
|
||||||
|
||||||
|
Diameter (D)
31.75
mm +/- 0.127
(Equiv. 1.25 in.) |
Material
Santoprene Rubber
|
Precision
ISO 3290 Grade 3
|
Hardness
Shore 87A
|
Properties
Excellent for liquid level float applications.
|
Colour
Beige
|
|
|
Material: Santoprene Rubber
Specific Gravity: 0.96
Category: Balls - Rubber - Santoprene 87A |
||||||
|
Part Number: BL-03175-R87A (Each) Rubber Balls - 31.75 mm Santoprene Rubber - ISO 3290 Grade 3 Santoprene 87A Ball
117 Available Now | Further orders can be expected around Fri, Sep 18, 2026 Regular price
$11.95 AUD
Regular price
Unit price
/
per
Each
|
||||||
|
Diameter (D)
31.75
mm +/- 0.127 (Equiv. 1.25 in.) |
Material
Santoprene Rubber
|
Precision
ISO 3290 Grade 3
|
Hardness
Shore 87A
|
|
||
|
Material: Santoprene Rubber
Properties: Excellent for liquid level float applications.
Colour: Beige
Specific Gravity: 0.96
Category: Balls - Rubber - Santoprene 87A |
||||||
|
Part Number: BL-03175-R87A (Each) Rubber Balls - 31.75 mm Santoprene Rubber - ISO 3290 Grade 3 Santoprene 87A Ball
117 Available Now | Further orders can be expected around Fri, Sep 18, 2026 Regular price
$11.95 AUD
Regular price
Unit price
/
per
Each
|
||||||
|
||||||
|
Diameter (D)
31.750
mm +/- 0.01270
(Equiv. 1.25 in.) |
Material
304 Stainless
|
Precision
ISO 3290 Grade 200
|
Hardness
25-39 Rockwell C
|
Properties
Low magnetic permeability. Good corrosion resistance
|
Colour
Silver
|
|
|
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80
Specific Gravity: 7.916
Category: Balls - Metallic - Stainless Steel |
||||||
|
Part Number: BL-03175-S4-G200 (Each) Metallic Balls - 31.75 mm 304 Stainless - ISO 3290 Grade 200 Ball
80 Available Now | Further orders can be expected around Fri, Jul 31, 2026 Regular price
$28.86 AUD
Regular price
Unit price
/
per
Each
|
||||||
|
Diameter (D)
31.750
mm +/- 0.01270 (Equiv. 1.25 in.) |
Material
304 Stainless
|
Precision
ISO 3290 Grade 200
|
Hardness
25-39 Rockwell C
|
|
||
|
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80
Properties: Low magnetic permeability. Good corrosion resistance
Colour: Silver
Specific Gravity: 7.916
Category: Balls - Metallic - Stainless Steel |
||||||
|
Part Number: BL-03175-S4-G200 (Each) Metallic Balls - 31.75 mm 304 Stainless - ISO 3290 Grade 200 Ball
80 Available Now | Further orders can be expected around Fri, Jul 31, 2026 Regular price
$28.86 AUD
Regular price
Unit price
/
per
Each
|
||||||
|
||||||
|
Diameter (D)
31.750
mm +/- 0.01270
(Equiv. 1.25 in.) |
Material
316 Stainless
|
Precision
ISO 3290 Grade 100
|
Hardness
25-39 Rockwell C
|
Properties
Resistant to severe corrosive conditions
|
Colour
Silver
|
|
|
Material: Stainless Steel 316 (Similar to A4, 18-10)
Specific Gravity: 7.972
Category: Balls - Metallic - Stainless Steel |
||||||
|
Part Number: BL-03175-S6-G100 (Each) Metallic Balls - 31.75 mm 316 Stainless - ISO 3290 Grade 100 Ball
22 Available Now | Further orders can be expected around Fri, Jul 31, 2026 Regular price
$16.77 AUD
Regular price
Unit price
/
per
Each
|
||||||
|
Diameter (D)
31.750
mm +/- 0.01270 (Equiv. 1.25 in.) |
Material
316 Stainless
|
Precision
ISO 3290 Grade 100
|
Hardness
25-39 Rockwell C
|
|
||
|
Material: Stainless Steel 316 (Similar to A4, 18-10)
Properties: Resistant to severe corrosive conditions
Colour: Silver
Specific Gravity: 7.972
Category: Balls - Metallic - Stainless Steel |
||||||
|
Part Number: BL-03175-S6-G100 (Each) Metallic Balls - 31.75 mm 316 Stainless - ISO 3290 Grade 100 Ball
22 Available Now | Further orders can be expected around Fri, Jul 31, 2026 Regular price
$16.77 AUD
Regular price
Unit price
/
per
Each
|
||||||
|
||||||
|
Diameter (D)
34.93
mm +/- 0.051
(Equiv. 1.375 in.) |
Material
Nylon (Polyamide 6/6)
|
Precision
Grade 3
|
Hardness
108 Rockwell R
|
Properties
Resists alkalies, weak acids and most organic solvents.
|
Colour
Off White
|
|
|
Material: Nylon (Polyamide 6/6)
Specific Gravity: 1.14
Category: Balls - Plastic - Nylon |
||||||
|
Part Number: BL-03494-NY (Each) Plastic Balls - 34.93 mm Nylon - Polyamide 6/6 - - Grade 3 Ball
32 Available Now | Further orders can be expected around Fri, Sep 18, 2026 Regular price
$30.05 AUD
Regular price
Unit price
/
per
Each
|
||||||
|
Diameter (D)
34.93
mm +/- 0.051 (Equiv. 1.375 in.) |
Material
Nylon (Polyamide 6/6)
|
Precision
Grade 3
|
Hardness
108 Rockwell R
|
|
||
|
Material: Nylon (Polyamide 6/6)
Properties: Resists alkalies, weak acids and most organic solvents.
Colour: Off White
Specific Gravity: 1.14
Category: Balls - Plastic - Nylon |
||||||
|
Part Number: BL-03494-NY (Each) Plastic Balls - 34.93 mm Nylon - Polyamide 6/6 - - Grade 3 Ball
32 Available Now | Further orders can be expected around Fri, Sep 18, 2026 Regular price
$30.05 AUD
Regular price
Unit price
/
per
Each
|
||||||
|
||||||
|
Diameter (D)
35.000
mm +/- 0.005080
(Equiv. 1.378 in.) |
Material
SAE52100 Chrome
|
Precision
ISO 3290 Grade 40
|
Hardness
60-70 Rockwell C
|
Properties
Commonly used in precision bearings.
|
Colour
Silver
|
|
|
Material: Chrome Steel SAE 52100
Specific Gravity: 7.833
Category: Balls - Metallic - Chrome Steel |
||||||
|
Part Number: BL-03500-CH-G40 (Each) Metallic Balls - 35 mm SAE52100 Chrome - ISO 3290 Grade 40 Ball
17 Available Now | Further orders can be expected around Fri, Jul 31, 2026 Regular price
$20.23 AUD
Regular price
Unit price
/
per
Each
|
||||||
|
Diameter (D)
35.000
mm +/- 0.005080 (Equiv. 1.378 in.) |
Material
SAE52100 Chrome
|
Precision
ISO 3290 Grade 40
|
Hardness
60-70 Rockwell C
|
|
||
|
Material: Chrome Steel SAE 52100
Properties: Commonly used in precision bearings.
Colour: Silver
Specific Gravity: 7.833
Category: Balls - Metallic - Chrome Steel |
||||||
|
Part Number: BL-03500-CH-G40 (Each) Metallic Balls - 35 mm SAE52100 Chrome - ISO 3290 Grade 40 Ball
17 Available Now | Further orders can be expected around Fri, Jul 31, 2026 Regular price
$20.23 AUD
Regular price
Unit price
/
per
Each
|
||||||
|
||||||
|
Diameter (D)
36.513
mm +/- 0.005080
(Equiv. 1.438 in.) |
Material
SAE52100 Chrome
|
Precision
ISO 3290 Grade 40
|
Hardness
60-70 Rockwell C
|
Properties
Commonly used in precision bearings.
|
Colour
Silver
|
|
|
Material: Chrome Steel SAE 52100
Specific Gravity: 7.833
Category: Balls - Metallic - Chrome Steel |
||||||
|
Part Number: BL-03651-CH-G40 (Each) Metallic Balls - 36.513 mm SAE52100 Chrome - ISO 3290 Grade 40 Ball
14 Available Now | Further orders can be expected around Fri, Jul 31, 2026 Regular price
$9.86 AUD
Regular price
Unit price
/
per
Each
|
||||||
|
Diameter (D)
36.513
mm +/- 0.005080 (Equiv. 1.438 in.) |
Material
SAE52100 Chrome
|
Precision
ISO 3290 Grade 40
|
Hardness
60-70 Rockwell C
|
|
||
|
Material: Chrome Steel SAE 52100
Properties: Commonly used in precision bearings.
Colour: Silver
Specific Gravity: 7.833
Category: Balls - Metallic - Chrome Steel |
||||||
|
Part Number: BL-03651-CH-G40 (Each) Metallic Balls - 36.513 mm SAE52100 Chrome - ISO 3290 Grade 40 Ball
14 Available Now | Further orders can be expected around Fri, Jul 31, 2026 Regular price
$9.86 AUD
Regular price
Unit price
/
per
Each
|
||||||
|
||||||
|
Diameter (D)
38.100
mm +/- 0.007620
(Equiv. 1.5 in.) |
Material
SAE52100 Chrome
|
Precision
ISO 3290 Grade 60
|
Hardness
60-70 Rockwell C
|
Properties
Commonly used in precision bearings.
|
Colour
Silver
|
|
|
Material: Chrome Steel SAE 52100
Specific Gravity: 7.833
Category: Balls - Metallic - Chrome Steel |
||||||
|
Part Number: BL-03810-CH-G60 (Each) Metallic Balls - 38.1 mm SAE52100 Chrome - ISO 3290 Grade 60 Ball
144 Available Now | Further orders can be expected around Fri, Jul 31, 2026 Regular price
$25.41 AUD
Regular price
Unit price
/
per
Each
|
||||||
|
Diameter (D)
38.100
mm +/- 0.007620 (Equiv. 1.5 in.) |
Material
SAE52100 Chrome
|
Precision
ISO 3290 Grade 60
|
Hardness
60-70 Rockwell C
|
|
||
|
Material: Chrome Steel SAE 52100
Properties: Commonly used in precision bearings.
Colour: Silver
Specific Gravity: 7.833
Category: Balls - Metallic - Chrome Steel |
||||||
|
Part Number: BL-03810-CH-G60 (Each) Metallic Balls - 38.1 mm SAE52100 Chrome - ISO 3290 Grade 60 Ball
144 Available Now | Further orders can be expected around Fri, Jul 31, 2026 Regular price
$25.41 AUD
Regular price
Unit price
/
per
Each
|
||||||
|
||||||
|
Diameter (D)
38.100
mm +/- 0.01270
(Equiv. 1.5 in.) |
Material
316 Stainless
|
Precision
ISO 3290 Grade 100
|
Hardness
25-39 Rockwell C
|
Properties
Resistant to severe corrosive conditions
|
Colour
Silver
|
|
|
Material: Stainless Steel 316 (Similar to A4, 18-10)
Specific Gravity: 7.972
Category: Balls - Metallic - Stainless Steel |
||||||
|
Part Number: BL-03810-S6-G100 (Each) Metallic Balls - 38.1 mm 316 Stainless - ISO 3290 Grade 100 Ball
Out of Stock | Backorder Now | Orders can be expected around Fri, Jul 31, 2026 Regular price
$35.14 AUD
Regular price
Unit price
/
per
Each
|
||||||
|
Diameter (D)
38.100
mm +/- 0.01270 (Equiv. 1.5 in.) |
Material
316 Stainless
|
Precision
ISO 3290 Grade 100
|
Hardness
25-39 Rockwell C
|
|
||
|
Material: Stainless Steel 316 (Similar to A4, 18-10)
Properties: Resistant to severe corrosive conditions
Colour: Silver
Specific Gravity: 7.972
Category: Balls - Metallic - Stainless Steel |
||||||
|
Part Number: BL-03810-S6-G100 (Each) Metallic Balls - 38.1 mm 316 Stainless - ISO 3290 Grade 100 Ball
Out of Stock | Backorder Now | Orders can be expected around Fri, Jul 31, 2026 Regular price
$35.14 AUD
Regular price
Unit price
/
per
Each
|
||||||
|
||||||
|
Diameter (D)
44.45
mm +/- 0.051
(Equiv. 1.75 in.) |
Material
Polypropylene
|
Precision
Grade 3
|
Hardness
86 Rockwell R
|
Properties
Excellent for liquid level float applications.
|
Colour
White
|
|
|
Material: Polypropylene
Specific Gravity: 0.91
Category: Balls - Plastic - Polypropylene |
||||||
|
Part Number: BL-04445-PP (Each) Plastic Balls - 44.45 mm Polypropylene - Grade 3 Ball
2 Available Now | Further orders can be expected around Fri, Sep 18, 2026 Regular price
$28.14 AUD
Regular price
Unit price
/
per
Each
|
||||||
|
Diameter (D)
44.45
mm +/- 0.051 (Equiv. 1.75 in.) |
Material
Polypropylene
|
Precision
Grade 3
|
Hardness
86 Rockwell R
|
|
||
|
Material: Polypropylene
Properties: Excellent for liquid level float applications.
Colour: White
Specific Gravity: 0.91
Category: Balls - Plastic - Polypropylene |
||||||
|
Part Number: BL-04445-PP (Each) Plastic Balls - 44.45 mm Polypropylene - Grade 3 Ball
2 Available Now | Further orders can be expected around Fri, Sep 18, 2026 Regular price
$28.14 AUD
Regular price
Unit price
/
per
Each
|
||||||
|
||||||
|
Diameter (D)
44.450
mm +/- 0.007620
(Equiv. 1.75 in.) |
Material
SAE52100 Chrome
|
Precision
ISO 3290 Grade 60
|
Hardness
60-70 Rockwell C
|
Properties
Commonly used in precision bearings.
|
Colour
Silver
|
|
|
Material: Chrome Steel SAE 52100
Specific Gravity: 7.833
Category: Balls - Metallic - Chrome Steel |
||||||
|
Part Number: BL-04445-CH-G60 (Each) Metallic Balls - 44.45 mm SAE52100 Chrome - ISO 3290 Grade 60 Ball
41 Available Now | Further orders can be expected around Fri, Jul 31, 2026 Regular price
$17.32 AUD
Regular price
Unit price
/
per
Each
|
||||||
|
Diameter (D)
44.450
mm +/- 0.007620 (Equiv. 1.75 in.) |
Material
SAE52100 Chrome
|
Precision
ISO 3290 Grade 60
|
Hardness
60-70 Rockwell C
|
|
||
|
Material: Chrome Steel SAE 52100
Properties: Commonly used in precision bearings.
Colour: Silver
Specific Gravity: 7.833
Category: Balls - Metallic - Chrome Steel |
||||||
|
Part Number: BL-04445-CH-G60 (Each) Metallic Balls - 44.45 mm SAE52100 Chrome - ISO 3290 Grade 60 Ball
41 Available Now | Further orders can be expected around Fri, Jul 31, 2026 Regular price
$17.32 AUD
Regular price
Unit price
/
per
Each
|
||||||
|
||||||
|
Diameter (D)
44.450
mm +/- 0.01270
(Equiv. 1.75 in.) |
Material
316 Stainless
|
Precision
ISO 3290 Grade 200
|
Hardness
25-39 Rockwell C
|
Properties
Resistant to severe corrosive conditions
|
Colour
Silver
|
|
|
Material: Stainless Steel 316 (Similar to A4, 18-10)
Specific Gravity: 7.972
Category: Balls - Metallic - Stainless Steel |
||||||
|
Part Number: BL-04445-S6-G200 (Each) Metallic Balls - 44.45 mm 316 Stainless - ISO 3290 Grade 200 Ball
4 Available Now | Further orders can be expected around Fri, Jul 31, 2026 Regular price
$46.77 AUD
Regular price
Unit price
/
per
Each
|
||||||
|
Diameter (D)
44.450
mm +/- 0.01270 (Equiv. 1.75 in.) |
Material
316 Stainless
|
Precision
ISO 3290 Grade 200
|
Hardness
25-39 Rockwell C
|
|
||
|
Material: Stainless Steel 316 (Similar to A4, 18-10)
Properties: Resistant to severe corrosive conditions
Colour: Silver
Specific Gravity: 7.972
Category: Balls - Metallic - Stainless Steel |
||||||
|
Part Number: BL-04445-S6-G200 (Each) Metallic Balls - 44.45 mm 316 Stainless - ISO 3290 Grade 200 Ball
4 Available Now | Further orders can be expected around Fri, Jul 31, 2026 Regular price
$46.77 AUD
Regular price
Unit price
/
per
Each
|
||||||
|
||||||
|
Diameter (D)
50.000
mm +/- 0.005080
(Equiv. 1.969 in.) |
Material
SAE52100 Chrome
|
Precision
ISO 3290 Grade 40
|
Hardness
60-70 Rockwell C
|
Properties
Commonly used in precision bearings.
|
Colour
Silver
|
|
|
Material: Chrome Steel SAE 52100
Specific Gravity: 7.833
Category: Balls - Metallic - Chrome Steel |
||||||
|
Part Number: BL-05000-CH-G40 (Each) Metallic Balls - 50 mm SAE52100 Chrome - ISO 3290 Grade 40 Ball
38 Available Now | Further orders can be expected around Fri, Jul 31, 2026 Regular price
$75.23 AUD
Regular price
Unit price
/
per
Each
|
||||||
|
Diameter (D)
50.000
mm +/- 0.005080 (Equiv. 1.969 in.) |
Material
SAE52100 Chrome
|
Precision
ISO 3290 Grade 40
|
Hardness
60-70 Rockwell C
|
|
||
|
Material: Chrome Steel SAE 52100
Properties: Commonly used in precision bearings.
Colour: Silver
Specific Gravity: 7.833
Category: Balls - Metallic - Chrome Steel |
||||||
|
Part Number: BL-05000-CH-G40 (Each) Metallic Balls - 50 mm SAE52100 Chrome - ISO 3290 Grade 40 Ball
38 Available Now | Further orders can be expected around Fri, Jul 31, 2026 Regular price
$75.23 AUD
Regular price
Unit price
/
per
Each
|
||||||
|
||||||
|
Diameter (D)
57.15
mm +/- 0.000762
(Equiv. 2.25 in.) |
Material
PVC
|
Precision
Grade 3
|
Hardness
114 Rockwell R
|
Properties
Water, impact and abrasion resistant.
|
Colour
Grey
|
|
|
Material: PVC (Polyvinyl Chloride)
Specific Gravity: 1.41
Category: Balls - Plastic - PVC |
||||||
|
Part Number: BL-05715-PVC (Each) Plastic Balls - 57.15 mm PVC - Grade 3 Ball
4 Available Now | Further orders can be expected around Fri, Sep 18, 2026 Regular price
$80.77 AUD
Regular price
Unit price
/
per
Each
|
||||||
|
Diameter (D)
57.15
mm +/- 0.000762 (Equiv. 2.25 in.) |
Material
PVC
|
Precision
Grade 3
|
Hardness
114 Rockwell R
|
|
||
|
Material: PVC (Polyvinyl Chloride)
Properties: Water, impact and abrasion resistant.
Colour: Grey
Specific Gravity: 1.41
Category: Balls - Plastic - PVC |
||||||
|
Part Number: BL-05715-PVC (Each) Plastic Balls - 57.15 mm PVC - Grade 3 Ball
4 Available Now | Further orders can be expected around Fri, Sep 18, 2026 Regular price
$80.77 AUD
Regular price
Unit price
/
per
Each
|
||||||
|
||||||
|
Diameter (D)
57.15
mm +/- 0.127
(Equiv. 2.25 in.) |
Material
Santoprene Rubber
|
Precision
Grade III
|
Hardness
Shore 40D
|
Properties
Excellent for liquid level float applications.
|
Colour
Red
|
|
|
Material: Santoprene Rubber
Specific Gravity: 0.95
Category: Balls - Rubber - Santoprene 40D |
||||||
|
Part Number: BL-05715-R40D (Each) Rubber Balls - 57.15 mm Santoprene Rubber - Grade III Santoprene 40D Ball
40 Available Now | Further orders can be expected around Fri, Sep 18, 2026 Regular price
$50.32 AUD
Regular price
Unit price
/
per
Each
|
||||||
|
Diameter (D)
57.15
mm +/- 0.127 (Equiv. 2.25 in.) |
Material
Santoprene Rubber
|
Precision
Grade III
|
Hardness
Shore 40D
|
|
||
|
Material: Santoprene Rubber
Properties: Excellent for liquid level float applications.
Colour: Red
Specific Gravity: 0.95
Category: Balls - Rubber - Santoprene 40D |
||||||
|
Part Number: BL-05715-R40D (Each) Rubber Balls - 57.15 mm Santoprene Rubber - Grade III Santoprene 40D Ball
40 Available Now | Further orders can be expected around Fri, Sep 18, 2026 Regular price
$50.32 AUD
Regular price
Unit price
/
per
Each
|
||||||
|
||||||
|
Diameter (D)
101.60
mm +/- 0.000762
(Equiv. 4 in.) |
Material
Polypropylene
|
Precision
Grade 3
|
Hardness
86 Rockwell R
|
Properties
Excellent for liquid level float applications.
|
Colour
White
|
|
|
Material: Polypropylene
Specific Gravity: 0.91
Category: Balls - Plastic - Polypropylene |
||||||
|
Part Number: BL-10160-PP (Each) Plastic Balls - 101.6 mm Polypropylene - Grade 3 Ball
3 Available Now | Further orders can be expected around Fri, Sep 18, 2026 Regular price
$114.77 AUD
Regular price
Unit price
/
per
Each
|
||||||
|
Diameter (D)
101.60
mm +/- 0.000762 (Equiv. 4 in.) |
Material
Polypropylene
|
Precision
Grade 3
|
Hardness
86 Rockwell R
|
|
||
|
Material: Polypropylene
Properties: Excellent for liquid level float applications.
Colour: White
Specific Gravity: 0.91
Category: Balls - Plastic - Polypropylene |
||||||
|
Part Number: BL-10160-PP (Each) Plastic Balls - 101.6 mm Polypropylene - Grade 3 Ball
3 Available Now | Further orders can be expected around Fri, Sep 18, 2026 Regular price
$114.77 AUD
Regular price
Unit price
/
per
Each
|
||||||
|
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