GRN® 90x115x15 NBR TC is a double lip radial shaft seal / oil seal. Dimensions: d: 90 mm, D: 115 mm, B: 15 mm. Material: NBR. The TC design combines a spring-loaded primary sealing lip with an auxiliary dust lip. Exact identification: GRN® + 90x115x15 + NBR + TC.
Warehouse and Store: Lublin, Smoluchowskiego 1 Street, Building 4.
24h Shipping. Available from stock in Poland for delivery across the EU.
GRN® 90x115x15 NBR TC is a double lip radial shaft seal / rotary shaft seal / oil seal with nominal dimensions of 90x115x15 mm, manufactured from NBR - Nitrile Butadiene Rubber. The TC configuration combines a spring-loaded primary sealing lip with an additional auxiliary dust lip.
Principal dimensions:
d: 90 mm
D: 115 mm
B: 15 mm
Complete product identification:
GRN® + 90x115x15 mm + NBR + TC
The complete dimensional designation is important because multiple radial shaft seals for a 90 mm shaft are available with different outside diameters and axial widths.
The principal identification parameters are:
Brand: GRN®
Product type: Radial shaft seal / rotary shaft seal / oil seal
Design: TC
Configuration: Double lip
Material: NBR
Material name: Nitrile Butadiene Rubber
Dimensions: 90x115x15 mm
Shaft diameter d: 90 mm
Outside diameter D: 115 mm
Width B: 15 mm
Primary sealing lip: Spring-loaded
Additional lip: Auxiliary dust lip
For precise identification, retain:
GRN® + 90x115x15 + NBR + TC
The nominal installation dimensions are:
d: 90 mm - nominal shaft diameter
D: 115 mm - nominal outside diameter / housing bore diameter
B: 15 mm - nominal axial width
Complete dimensions:
90x115x15 mm
The first dimension corresponds to the nominal shaft diameter on which the primary dynamic sealing lip operates.
The second dimension defines the nominal outside diameter of the seal and the corresponding housing bore.
The third dimension specifies the axial width of the seal.
All three dimensions should be verified when identifying or selecting a replacement.
The design designation is:
TC
The TC configuration is a double lip radial shaft seal design incorporating:
Primary sealing lip - the main dynamic sealing element operating against the rotating shaft.
Garter spring - supports radial contact between the primary sealing edge and the shaft surface.
Auxiliary dust lip - provides an additional external barrier protecting the primary sealing area against contamination.
The configuration can therefore be described as a:
TC double lip rotary shaft seal
or
TC double lip oil seal
The primary sealing lip operates dynamically against a rotating shaft with a nominal diameter of 90 mm.
The circumferential garter spring supports contact between the primary sealing edge and the shaft surface.
The auxiliary lip provides an additional barrier against external contaminants entering the primary sealing zone.
No left-hand or right-hand hydrodynamic direction is assigned to this exact GRN® variant because such directionality has not been confirmed.
The specified material is:
NBR - Nitrile Butadiene Rubber
NBR is a widely used elastomer family in radial shaft sealing technology.
For this product, NBR forms part of the exact technical identification:
90x115x15 + NBR + TC
The NBR designation alone does not identify the exact elastomer compound used in this specific GRN® seal.
Without product-specific documentation, fixed values should therefore not be assigned for:
Shore A hardness
Minimum operating temperature
Maximum operating temperature
Maximum operating pressure
Maximum rotational speed
Maximum shaft surface speed
Generic NBR limits should not be presented as guaranteed specifications for this exact product.
The designation can be interpreted as follows:
90 - nominal shaft diameter in mm
115 - nominal outside diameter in mm
15 - nominal axial width in mm
NBR - Nitrile Butadiene Rubber
TC - double lip seal design
GRN® - product brand
Complete identification:
GRN® + 90x115x15 + NBR + TC
This is the most important comparison for this product.
| Parameter | GRN® 90x115x15 | GRN® 90x120x15 |
|---|---|---|
| Shaft diameter d | 90 mm | 90 mm |
| Outside diameter D | 115 mm | 120 mm |
| Width B | 15 mm | 15 mm |
| Material | NBR | NBR |
| Design | TC | TC |
Both variants have the same:
90 mm shaft diameter
and
15 mm axial width
The critical difference is the outside diameter:
D: 115 mm vs D: 120 mm
The difference is 5 mm.
These are separate dimensional variants and should not be treated as dimensionally interchangeable.
Both variants have:
d: 90 mm
B: 15 mm
Their outside diameters differ:
90x115x15: D: 115 mm
90x125x15: D: 125 mm
The outside diameter difference is 10 mm.
These products are not dimensionally identical.
These variants differ in two dimensions:
| Parameter | GRN® 90x115x15 | GRN® 90x125x12 |
|---|---|---|
| Shaft diameter d | 90 mm | 90 mm |
| Outside diameter D | 115 mm | 125 mm |
| Width B | 15 mm | 12 mm |
| Material | NBR | NBR |
| Design | TC | TC |
The outside diameter differs by 10 mm.
The axial width differs by 3 mm.
They are separate dimensional variants.
Both products share the nominal:
d: 90 mm
However:
GRN® 90x115x15: D: 115 mm, B: 15 mm
GRN® 90x130x13: D: 130 mm, B: 13 mm
The outside diameter difference is 15 mm.
The axial width difference is 2 mm.
Matching the shaft diameter alone does not establish interchangeability.
For this product:
D: 115 mm
This is one of the key parameters distinguishing it from other radial shaft seals designed for a 90 mm shaft.
Other variants in this dimensional family may have outside diameters such as:
120 mm
125 mm
130 mm
140 mm
160 mm
Therefore, identifying the product only as a “90 mm shaft seal” is insufficient.
The complete dimensional designation:
90x115x15 mm
should be retained.
The nominal axial width is:
B: 15 mm
Width is an integral part of the dimensional specification.
Even if another seal has the same 90 mm shaft diameter and 115 mm outside diameter, a different axial width represents a different dimensional variant.
For accurate identification, all three dimensions should be retained:
90x115x15 mm
When selecting a replacement for GRN® 90x115x15 NBR TC, verify at least:
Matching dimensions alone do not automatically establish complete technical interchangeability.
A seal manufactured from another elastomer, using a different lip configuration or incorporating directional hydrodynamic features should be evaluated separately.
Manufacturer-specific profile designations should not automatically be treated as equivalent to TC.
| Parameter | Specification |
|---|---|
| Brand | GRN® |
| Product type | Radial shaft seal / rotary shaft seal / oil seal |
| Design | TC |
| Configuration | Double lip |
| Material | NBR |
| Material name | Nitrile Butadiene Rubber |
| Dimensions | 90x115x15 mm |
| Shaft diameter d | 90 mm |
| Outside diameter D | 115 mm |
| Width B | 15 mm |
| Primary sealing lip | Spring-loaded |
| Additional lip | Auxiliary dust lip |
| Hydrodynamic directionality | Not confirmed |
The nominal dimensions are 90x115x15 mm, with a 90 mm shaft diameter, 115 mm outside diameter and 15 mm axial width.
Yes. It is a double lip radial shaft seal with a spring-loaded primary sealing lip and an additional auxiliary dust lip.
The specified material is NBR - Nitrile Butadiene Rubber.
Yes. The TC configuration incorporates an additional auxiliary dust lip.
It specifies a 90 mm nominal shaft diameter, 115 mm outside diameter and 15 mm axial width.
Both have a 90 mm shaft diameter and 15 mm width, but their outside diameters are 115 mm and 120 mm, a difference of 5 mm.
Direct interchangeability should not be assumed. Their outside diameters differ by 5 mm, so they correspond to different nominal housing bore diameters.
An exact operating temperature range cannot be established from the NBR designation alone. It depends on the specific elastomer compound used in this GRN® product.
GRN® 90x115x15 NBR TC is a double lip rotary shaft seal with a nominal 90 mm shaft diameter, 115 mm outside diameter and 15 mm axial width. Manufactured from NBR, the TC design combines a spring-loaded primary sealing lip with an auxiliary dust lip. The complete 90x115x15 mm dimensions are essential when selecting a replacement.
Data sheet
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GRN® 90x115x15 NBR TC is a double lip radial shaft seal / oil seal. Dimensions: d: 90 mm, D: 115 mm, B: 15 mm. Material: NBR. The TC design combines a spring-loaded primary sealing lip with an auxiliary dust lip. Exact identification: GRN® + 90x115x15 + NBR + TC.
Warehouse and Store: Lublin, Smoluchowskiego 1 Street, Building 4.
24h Shipping. Available from stock in Poland for delivery across the EU.
