30x53x8.5 SCJY Power Steering Oil Seal NBR — Steering Gear Rack Shaft Seal
Model / SKU: SCJY-305385-NBR
Factory direct SCJY high pressure power steering oil seal, size 30×53×8.5 mm, NBR rubber with yellow PTFE back-up ring. For automotive power steering rack / steering gear shaft sealing, bulk quantity discounts for auto importers, distributors and MRO buyers.
Tags: 30x53x8.5mm, SCJY power steering oil seal, CNB steering rack seal, NBR high pressure oil seal, power steering gear shaft seal, yellow backup ring oil seal
Product photos
Technical summary
Product specifications. Refer to the approved drawing for dimensional tolerances and installation requirements.
| Spec | Value |
|---|---|
| Size (mm) | 30x53x8.5 |
| Material | NBR |
| Structure | SCJY High Pressure Power Steering Seal |
| Size | 30×53×8.5 mm｜With yellow PTFE back-up ring |
Pricing: request a quote (B2B / wholesale).
MOQ / commerce notes: In stock: ships in 1 to 2 days | Not in stock but still in current production: 10 to 15 days | Not in stock and not in production: 25 to 30 days
Product details
This SCJY type high pressure power steering oil seal dimension 30×53×8.5 mm is widely used for automotive hydraulic power steering rack / steering gear input shaft sealing. It adopts composite lip design with yellow PTFE back-up ring to resist high hydraulic pressure inside steering gear, prevent power steering fluid leakage and block dirt ingress. Factory direct supply with volume discount for wholesale buyers, auto aftermarket distributors and repair shops.
Features & Benefits
SCJY / CNB special composite lip profile designed for power steering high-pressure hydraulic working condition.
Inner yellow PTFE back-up ring improves pressure resistance, avoids lip extrusion under hydraulic load.
NBR nitrile rubber provides good compatibility with conventional power steering fluid, excellent wear and aging resistance.
Stainless steel garter spring maintains stable lip contact pressure to prevent fluid leakage during reciprocating movement.
Precision pressed outer metal shell ensures tight interference fit inside steering gear housing bore.
Aftermarket replacement seal, always verify shaft OD, housing bore ID and installation thickness before purchase.
Custom laser marking, neutral or branded export packaging available; HNBR and FKM material upgrade optional for high temperature applications.
Material & Working Parameter
Sealing lip：NBR (Nitrile Butadiene Rubber) 85±5 Shore A; outer casing: painted carbon steel; garter spring: stainless steel; back-up ring: yellow PTFE.
Suitable medium：conventional mineral oil based power steering fluid.
Packaging & Delivery
Neutral PE bag + export carton; quantity per carton adjustable.
Bulk quantity gets volume discount, send RFQ for exact unit price.
Samples available for quality inspection; freight cost confirmed on quotation.
Payment terms, inspection reports and warranty confirmed on quotation.
Send inquiry with size, quantity, destination and vehicle/steering gear model for firm quotation.
FAQ
What is 30x53x8.5 SCJY power steering oil seal used for?
30×53×8.5 SCJY high pressure power steering oil seal is applied on automotive hydraulic power steering rack/steering gear input shaft. It retains power steering hydraulic fluid and prevents dust ingress under high pressure, with yellow PTFE back-up ring for anti-extrusion.
What is the structure and material of SCJY 30x53x8.5 steering rack seal?
Type: SCJY / CNB high pressure composite lip oil seal. Size:30×53×8.5 mm. Main material:NBR rubber, with yellow PTFE back-up ring, carbon steel outer shell and stainless steel garter spring.
Can this 30x53x8.5 SCJY oil seal fit my steering gear?
This is aftermarket replacement seal. Please verify shaft OD, housing bore ID and installation thickness of your power steering rack before ordering.
How to install SCJY power steering oil seal correctly?
1. Clean shaft and housing bore, remove burrs and old seal residue. 2. Lubricate seal lip with matching power steering fluid, dry installation not allowed. 3. Press vertically by installation sleeve, apply pressure only to outer metal shell. 4. After seating, rotate shaft manually to check no binding.
Do you offer bulk discount for 30x53x8.5 power steering oil seals?
Yes, factory direct sales, volume discount available for bulk orders. Send your quantity and destination for exact price.
Can you make custom marking or upgrade to HNBR/FKM material?
OEM marking and custom export packaging available.
Can I get samples of SCJY 30x53x8.5 power steering oil seal?
Samples are available for quality inspection, freight cost will be confirmed when you send RFQ.