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NATIONAL SEALS 370025A Wheel Seal - Nitrile Lip, 117.4mm ID, 152.6mm OD, 21.3mm Width

370025A by NATIONAL SEALS - Wheel Seal - Nitrile Lip, 117.4mm ID, 152.6mm OD, 21.3mm Width
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MSRP: $43.30

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NATIONAL SEALS 370025A Part Description

Manufacturer

NATIONAL SEALS

Product Description

Wheel Seal

Application Summary

Clark, Rockwell-Standard FWRW

Features & Benefits

  • Nitrile formulation resists chemical damage in harsh roadway environments
  • Dynamic Edge technology controls lubricant flow within oil bath systems
  • Dimensional design suits axles carrying substantial vertical and lateral loads
  • Lip structure adapts to micro-variations in shaft texture for enhanced sealing

National Seals Wheel Seal 

The National Seals Wheel Seal is used on heavily loaded wheel-end systems that must preserve lubricant integrity while operating through wide thermal changes and abrasive roadway conditions. Designed with a 117.4 mm inner diameter, 152.6 mm outer diameter, and 21.3 mm width, this seal accommodates large axle assemblies commonly found on high-capacity trailers and rigs. Its nitrile lip includes a spring-loaded edge that provides consistent pressure against the shaft, while a unitized structure protects the primary lip from installation-related distortion. The seal incorporates patented SURE-LOCK® ribs on both the inner and outer rubber surfaces, helping prevent leaks caused by bore contamination or shaft surface irregularities. The National Seals 370025A delivers strong sealing stability for wheel ends exposed to severe road surfaces and fluctuating temperatures.

Weight Rating 22500 lb Trailer

NATIONAL SEALS 370025A Specifications

Product Attributes

Outside Diameter 6.015 IN
Outside Diameter 153.137 MM
Width 0.875 IN
Width 21.340 MM
Material Nitrile
Footnote Dynamic Edge
Housing Bore 5.998 IN
Housing Bore 152.349 MM
Installation Tool RD306
Part Description Oil Bath Seal
Series 370000
Shaft Diameter 4.625 IN
Shaft Diameter 117.480 MM
Type 11
Unit of Dimension Inch
Grade Type Premium
Housing Bore Diameter 152.3 mm
Seal Lip Material Nitrile Rubber
Shaft Diameter / Seal Inner Diameter 117.4 mm
Seal Outer Diameter 152.6 mm
Seal Width 21.3 mm

Additional Information

Country of Origin (Primary) US
Harmonized Tariff Code (Schedule B) 4016931020
Harmonized Tariff Code (HTS) 4016931020
Canadian Harmonizing Tariff Code 4016930000
UPC 00028845193817

NATIONAL SEALS 370025A Part Interchanges

Brand Part Number
Eaton 859
White Truck 02-7076258, 02-7109090, 940010006, 94001-0032, 94001006, 27076258, 27109090, 02-7075348, 02-7076259, 02-7109091, 94001-0016, 27075348, 27076259, 27109091
Volvo 8060884
General Motors 720659
Chicago Rawhide 46305, 42673, 46304, 46306, 46300, 46308
Fruehauf 370025X
Timken TKR859, 370025A
Rockwell International A1205L-1598, A-1205-S-2489, 1205-B-1250, A1205K-999, A1205P-1212, A1205X-1662, 1205P-1212, 21200321A
Spicer 504859, 859T
Stemco 370-7007, 370-7097, 372-7097, 377-7743, 373-0243, 373-0343, 307-0743, 370-7043, 371-0043, 373-0143
Corteco 12018944, 12018944B
Renault 5001821843, 5010368901, 5001835188
Hendrickson A-27267, 98794-001, S-27267, A27267S27267HN
SKF 46300, 46308, 46305, 42673, 46304, 46306, VKS6205
ACDelco 12303842, 299-23
Victor Reinz EP64236, SS-68003, 47891, 48086, SS64236, SS68008, 48077
Meritor 1205-P-1212, A-1205-L-1598, A-1205-S-2489, 21200321A, 1205-B-1250, A-1205-K-999, A-1205-P-1212, A-1205-X-1662, MER-0143
AirSource 0025
Automann 181370025A
Champion Spark Plug 859
ConMet 10045888
Continental 64236
ATP 101048
James King & Co Inc 1015
Krylon 1504
Coronet 48086
OTC 370025
Power Products P370025
Whiting 7097
Haldex 755400
Snap-Tite Inc 1016

NATIONAL SEALS 370025A Cross References

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NATIONAL SEALS 370025A Manufacturer Information

With over 75 years of industry experience, National® Seals has established a rock-solid reputation as the most trusted brand of premium wheel-end solutions. It provides the global market with a comprehensive portfolio of high-quality, no-compromise bearings and sealing products for various applications across different industries. True to the brand’s commitment to quality, safety, and performance, its design team keeps pace with industry-leading, advanced technologies to incorporate innovative features and patented systems in every National® Seals product. Among the industry’s best-kept secrets created by National® Seals are the DYNAMIC EDGE® innovative technology, SureSignal™ technology, and Gold 38 Series with PTFE compound.

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