FAGB7219E.TPA.P4.ULSuper Precision Angular Contact Spindle Bearing – 95 mm ID, 170 mm OD, 32 mm Width, Open, 25° Contact Angle, Light Preload, P4S

Product Description

What this part is:

FAG B7219E.TPA.P4.UL is a super-precision angular contact spindle bearing, single row, open, universally ground (UL). Bore: 95 mm. Outside Diameter: 170 mm. Width: 32 mm. One bearing. Country of origin: Germany.

Decoding the designation:

B72 — spindle bearing series, ISO 72 dimension series.

19 — bore code, 19 x 5 = 95 mm.

E — contact angle 25°.

TPA — machined fabric-base laminate (phenolic) cage.

P4 — precision class P4 to ISO 492; Schaeffler lists the current execution as P4S.

U — universal single bearing, ground for pair and set mounting.

L — light preload, 1,184 N.

Specifications:

Bore Diameter: 95 mm. Outside Diameter: 170 mm. Width: 32 mm. Contact Angle: 25°. Dynamic Load Rating: 124,000 N. Static Load Rating: 78,000 N. Fatigue Load Limit: 7,100 N. Limiting Speed: 7,000 rpm grease; 11,000 rpm oil. Preload: light, 1,184 N. Axial Rigidity at light preload: 273 N per micrometre. Cage Material: Phenolic. Cage Type: Machined. Item Weight: 2.672 kg (5.89 lb). Operating Temperature: -30 °C to 100 °C.

Dimensions and mounting:

Shaft shoulder diameter: 110.5 mm, h12. Housing shoulder diameter: 154 mm, H12. Maximum recess radius: 2.1 mm. Minimum chamfer dimension: 2.1 mm. Distance between pressure cone apexes: 46.9 mm. Grease injection pitch diameter: 119.1 mm to 126.9 mm.

Compatibility and replacement:

Cross-references: Fafnir 3MM219WI; Schaeffler B7219-E-T-P4S-UL, the current designation, which replaces B7219E.T.P4S.UL and B7219E.TPA.P4.UL; NSK 7219A, same envelope at 30° contact angle. CAD model and data sheet: available from Schaeffler (medias.schaeffler.us).

Frequently asked questions:

What is the contact angle of the FAG B7219E.TPA.P4.UL?

25°, set by the E in the designation.

What are the size and load ratings?

95 x 170 x 32 mm, with a dynamic load rating of 124,000 N and a static load rating of 78,000 N.

What does the UL suffix mean?

U is a universally ground single bearing and L is light preload, 1,184 N.