Pillow Block Units
UCUP2 Series Narrow Pillow Block Units
Narrow two-bolt pillow block housing that carries the shaft on a flat mounting surface, with a set screw insert bearing in a cast iron housing. The mounting holes in the base are threaded. Shaft sizes 12mm – 50mm; each size is listed with its dimensions and mass below.
Dimensions & Part Numbers
| Shaft Dia. (mm) | Unit Number | H (Shaft Centre Height) (mm) | L (Overall Length) (mm) | J (Bolt Hole Spacing) (mm) | A (mm) | j (mm) | H1 (mm) | H2 (Overall Height) (mm) | B (Inner Ring Width) (mm) | S (mm) | N (Mounting Hole Thread) | Bearing Insert No. | Housing No. | Mass (approx.) (kg) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 12 | UCUP201 | 30.2 | 76 | 52 | 38 | 13 | 11 | 62 | 31 | 12.7 | M10×1.5 | UC201 | UP204 | 0.6 |
| 15 | UCUP202 | 30.2 | 76 | 52 | 38 | 13 | 11 | 62 | 31 | 12.7 | M10×1.5 | UC202 | UP204 | 0.6 |
| 17 | UCUP203 | 30.2 | 76 | 52 | 38 | 13 | 11 | 62 | 31 | 12.7 | M10×1.5 | UC203 | UP204 | 0.6 |
| 20 | UCUP204 | 30.2 | 76 | 52 | 38 | 13 | 11 | 62 | 31 | 12.7 | M10×1.5 | UC204 | UP204 | 0.6 |
| 25 | UCUP205 | 36.5 | 84 | 56 | 38 | 15 | 12 | 72 | 34.1 | 14.3 | M10×1.5 | UC205 | UP205 | 0.7 |
| 30 | UCUP206 | 42.9 | 94 | 66 | 48 | 18 | 12 | 84 | 38.1 | 15.9 | M14×2 | UC206 | UP206 | 1.1 |
| 35 | UCUP207 | 47.6 | 110 | 80 | 48 | 20 | 13 | 95 | 42.9 | 17.5 | M14×2 | UC207 | UP207 | 1.6 |
| 40 | UCUP208 | 49.2 | 116 | 84 | 54 | 20 | 13 | 100 | 49.2 | 19 | M14×2 | UC208 | UP208 | 1.8 |
| 45 | UCUP209 | 54.2 | 120 | 90 | 54 | 25 | 13 | 108 | 49.2 | 19 | M14×2 | UC209 | UP209 | 2.1 |
| 50 | UCUP210 | 57.2 | 130 | 94 | 60 | 25 | 14 | 116 | 51.6 | 19 | M16×2 | UC210 | UP210 | 2.6 |
Dimensions and part numbers per manufacturer technical catalogue; confirm the exact unit and brand with us before ordering.
Inch Shaft Sizes
The same UCUP2 housings are also supplied with inch-bore insert bearings. The unit number carries a suffix for the shaft size (for example -104 is 1-1/4 inch), and the housing dimensions are the same as the metric unit in the table above.
| Shaft Dia. (in) | Unit Number | H (Shaft Centre Height) (mm) | L (Overall Length) (mm) | J (Bolt Hole Spacing) (mm) | A (mm) | j (mm) | H1 (mm) | H2 (Overall Height) (mm) | B (Inner Ring Width) (mm) | S (mm) | N (Mounting Hole Thread) | Bearing Insert No. | Housing No. | Mass (approx.) (kg) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1/2 in (12.7 mm) | UCUP201-008 | 30.2 | 76 | 52 | 38 | 13 | 11 | 62 | 31 | 12.7 | M10×1.5 | UC201-008 | UP204 | 0.6 |
| 9/16 in (14.3 mm) | UCUP202-009 | 30.2 | 76 | 52 | 38 | 13 | 11 | 62 | 31 | 12.7 | M10×1.5 | UC202-009 | UP204 | 0.6 |
| 5/8 in (15.9 mm) | UCUP202-010 | 30.2 | 76 | 52 | 38 | 13 | 11 | 62 | 31 | 12.7 | M10×1.5 | UC202-010 | UP204 | 0.6 |
| 11/16 in (17.5 mm) | UCUP203-011 | 30.2 | 76 | 52 | 38 | 13 | 11 | 62 | 31 | 12.7 | M10×1.5 | UC203-011 | UP204 | 0.6 |
| 3/4 in (19.1 mm) | UCUP204-012 | 30.2 | 76 | 52 | 38 | 13 | 11 | 62 | 31 | 12.7 | M10×1.5 | UC204-012 | UP204 | 0.6 |
| 13/16 in (20.6 mm) | UCUP205-013 | 36.5 | 84 | 56 | 38 | 15 | 12 | 72 | 34.1 | 14.3 | M10×1.5 | UC205-013 | UP205 | 0.7 |
| 7/8 in (22.2 mm) | UCUP205-014 | 36.5 | 84 | 56 | 38 | 15 | 12 | 72 | 34.1 | 14.3 | M10×1.5 | UC205-014 | UP205 | 0.7 |
| 15/16 in (23.8 mm) | UCUP205-015 | 36.5 | 84 | 56 | 38 | 15 | 12 | 72 | 34.1 | 14.3 | M10×1.5 | UC205-015 | UP205 | 0.7 |
| 1 in (25.4 mm) | UCUP205-100 | 36.5 | 84 | 56 | 38 | 15 | 12 | 72 | 34.1 | 14.3 | M10×1.5 | UC205-100 | UP205 | 0.7 |
| 1-1/16 in (27 mm) | UCUP206-101 | 42.9 | 94 | 66 | 48 | 18 | 12 | 84 | 38.1 | 15.9 | M14×2 | UC206-101 | UP206 | 1.1 |
| 1-1/8 in (28.6 mm) | UCUP206-102 | 42.9 | 94 | 66 | 48 | 18 | 12 | 84 | 38.1 | 15.9 | M14×2 | UC206-102 | UP206 | 1.1 |
| 1-3/16 in (30.2 mm) | UCUP206-103 | 42.9 | 94 | 66 | 48 | 18 | 12 | 84 | 38.1 | 15.9 | M14×2 | UC206-103 | UP206 | 1.1 |
| 1-1/4 in (31.8 mm) | UCUP206-104 | 42.9 | 94 | 66 | 48 | 18 | 12 | 84 | 38.1 | 15.9 | M14×2 | UC206-104 | UP206 | 1.1 |
| 1-1/4 in (31.8 mm) | UCUP207-104 | 47.6 | 110 | 80 | 48 | 20 | 13 | 95 | 42.9 | 17.5 | M14×2 | UC207-104 | UP207 | 1.6 |
| 1-5/16 in (33.3 mm) | UCUP207-105 | 47.6 | 110 | 80 | 48 | 20 | 13 | 95 | 42.9 | 17.5 | M14×2 | UC207-105 | UP207 | 1.6 |
| 1-3/8 in (34.9 mm) | UCUP207-106 | 47.6 | 110 | 80 | 48 | 20 | 13 | 95 | 42.9 | 17.5 | M14×2 | UC207-106 | UP207 | 1.6 |
| 1-7/16 in (36.5 mm) | UCUP207-107 | 47.6 | 110 | 80 | 48 | 20 | 13 | 95 | 42.9 | 17.5 | M14×2 | UC207-107 | UP207 | 1.6 |
| 1-1/2 in (38.1 mm) | UCUP208-108 | 49.2 | 116 | 84 | 54 | 20 | 13 | 100 | 49.2 | 19 | M14×2 | UC208-108 | UP208 | 1.8 |
| 1-9/16 in (39.7 mm) | UCUP208-109 | 49.2 | 116 | 84 | 54 | 20 | 13 | 100 | 49.2 | 19 | M14×2 | UC208-109 | UP208 | 1.8 |
| 1-5/8 in (41.3 mm) | UCUP209-110 | 54.2 | 120 | 90 | 54 | 25 | 13 | 108 | 49.2 | 19 | M14×2 | UC209-110 | UP209 | 2.1 |
| 1-11/16 in (42.9 mm) | UCUP209-111 | 54.2 | 120 | 90 | 54 | 25 | 13 | 108 | 49.2 | 19 | M14×2 | UC209-111 | UP209 | 2.1 |
| 1-3/4 in (44.5 mm) | UCUP209-112 | 54.2 | 120 | 90 | 54 | 25 | 13 | 108 | 49.2 | 19 | M14×2 | UC209-112 | UP209 | 2.1 |
| 1-13/16 in (46 mm) | UCUP210-113 | 57.2 | 130 | 94 | 60 | 25 | 14 | 116 | 51.6 | 19 | M16×2 | UC210-113 | UP210 | 2.6 |
| 1-7/8 in (47.6 mm) | UCUP210-114 | 57.2 | 130 | 94 | 60 | 25 | 14 | 116 | 51.6 | 19 | M16×2 | UC210-114 | UP210 | 2.6 |
| 1-15/16 in (49.2 mm) | UCUP210-115 | 57.2 | 130 | 94 | 60 | 25 | 14 | 116 | 51.6 | 19 | M16×2 | UC210-115 | UP210 | 2.6 |
| 2 in (50.8 mm) | UCUP210-200 | 57.2 | 130 | 94 | 60 | 25 | 14 | 116 | 51.6 | 19 | M16×2 | UC210-200 | UP210 | 2.6 |
Typical Applications
- Conveyors and material handling shafts
- Fans, blowers and pumps
- Agricultural and food-processing machinery
- General industrial shaft support
Frequently Asked Questions
What sizes are available in the UCUP2 series?
UCUP2 units are available from 12mm – 50mm bore, as listed in the dimension table below. Each size has its own part number for ordering.
What is the housing material and locking type for UCUP2?
UCUP2 uses a cast iron housing with set screw locking, sourced from NTN, FAG, SKF, FYH, Asahi, DTC and SLS.
What is UCUP2 typically used for?
Common applications include conveyors and material handling shafts and fans, blowers and pumps, and similar general industrial shaft-support duties.
Can’t find your size?
We supply sizes, brands and special versions of mounted bearing units that are not listed on this page. Type the exact size or designation you need and send it to us for a quote.
Need pricing on UCUP2 units?
Share your shaft size and quantity — our technical team will confirm availability and pricing within one business day.