In Stock
Looking for a Rotex or Fenner equivalent? Use our Interchange Finder below.
SKU: SD20-28-4-INA
Oil Seals Nitrile (Metric)
INA SD20-28-4 Oil Seal 19.67×28.3x4mm – Allow 1-2 Days – Contact Us For Faster Delivery
£3.67
ex. VAT · £4.40 inc. VAT
JS9 Tight Fit Anti-Roll
H7 Precision Transition Fit
ISO 9001 Quality Assured
Technical Specifications
Quality
NBR Seals - High Quality
Inside Diameter
79.25mm = 3.12 inch
Outside Diameter
107.95mm = 4.25 (4-1/4) inch
Width
12.7mm = 0.5 (1/2) inch
Colour
Black
Material
Nitrile
Standards & Fit
JS9
JS9 Keyway
Tight fit anti-roll standard
H7
Precision Transition Fit
Precision bore fit
ISO
ISO 9001:2015
Quality Assured
| Parameter | Value | Notes |
|---|---|---|
| SKU | SD20-28-4-INA | Aroflex part number |
| Quality | NBR Seals - High Quality | |
| Inside Diameter | 79.25mm = 3.12 inch | |
| Outside Diameter | 107.95mm = 4.25 (4-1/4) inch | |
| Width | 12.7mm = 0.5 (1/2) inch | |
| Colour | Black | |
| Material | Nitrile | |
| Bore Tolerance | H7 | Precision transition fit |
| Material | Steel / Friction disc | Standard construction |
| Certification | ISO 9001:2015 | Quality assured |
Competitor Interchange Finder
Enter a competitor part number to find live pricing and the AROFLEX equivalent.
Results will appear here…
INA – High Quality 19.67mm 28.3mm 4mm Polyurethane Repair Shaft Sleeves? Adhesives?
Add to Basket
🚚 Free UK delivery over £150
🔒 SSL secure checkout
🌍 Global shipping available
Related Products
Other items in this range you may be interested in
SKU: 10x18x5_SC
10x18x5mm Nitrile Rubber Single Lip Rotary Shaft Oil Seal SC / R21
£2.01
SKU: 10x22x5_TC
10x22x5mm Nitrile Rubber Double Lip Rotary Shaft Oil Seal with Garter Spring TC / R23
£2.01
SKU: 10x19x7_TC
10x19x7mm Nitrile Rubber Double Lip Rotary Shaft Oil Seal R23 / TC Style
£2.01
SKU: 10x30x7_SC
10x30x7mm Nitrile Rubber Single Lip Rotary Shaft Oil Seal with Garter Spring SC / R21
£2.01